#include <numeric>
#include <chrono>
#include <random>
#include <array>
#include <iomanip>
#include <stack>
#include <queue>
#include <random>
#include <unordered_set>
#include <unordered_map>
#include <iostream>
#include <sstream>
#include <vector>
#include <cstdio>
#include <map>
#include <set>
#include <functional>
#include <queue>
#include <string>
#include <bitset>
#include <cassert>
#include <cmath>
#include <algorithm>
#include <tuple>
#include <sstream>
using namespace std;

#define forn(a, e) for (int a = 0; a < (int)(e); a++)
#define forr(a, s, e) for (int a = s; a < (int)(e); a++)
#define fore(e, a) for (auto& e : a)

#ifdef LOCAL
#define logv(a) {cerr << #a << " = "; fore(e, a) {cerr << e << " ";} cerr << "\n";}
#define logvp(a) {cerr << #a << " = "; fore(e, a) {cerr << "(" << e.first << ", " << e.second << ") ";} cerr << "\n";}
#define logvv(a) {cerr << #a << " = \n"; fore(r, a) { fore(e, r) {cerr << e << " ";} cerr << "\n";} }
#define logvf(a, field) {cerr << #a"."#field << " = \n"; fore(e, a) { cerr << e.field << " ";} cerr << "\n"; }
#define logvff(a, f1, f2) {cerr << #a".{"#f1 << ", "#f2 << "} = \n"; fore(e, a) { cerr << "(" << e.f1 <<", " << e.f2 << ") ";} cerr << "\n"; }
#define logs(a) cerr << #a << " = " << (a) << "\n";
#define logss(a, b) cerr << #a << " = " << (a) << ", " << #b << " = " << (b) << "\n";
#define logp(a) cerr << #a << " = " << "(" << a.first << ", " << a.second << ")" << "\n";
#define cond(pred, stmt) if (pred) { stmt }
#else
#define logv(a)
#define logvp(a)
#define logvv(a)
#define logvf(a, field)
#define logvff(a, f1, f2)
#define logs(a)
#define logss(a, b)
#define logp(a)
#define cond(pred, stmt)
#endif

using i64 = long long;
using iip = pair<i64, i64>;
using ivec = vector<int>;
using llvec = vector<i64>;
using svec = vector<string>;
template<typename T> using vec = vector<T>;

template<typename T, typename Dim>
auto make_vec(T value, Dim dim) { return vector<T>(dim, value); }
template<typename T, typename Dim1, typename... Dim>
auto make_vec(T value, Dim1 dim1, Dim... dims) { return make_vec(make_vec(value, dims...), dim1); }

template<typename T>
bool uax(T& v, const T& newv) { if (v < newv) { v = newv; return true; } else return false; }
template<typename T>
bool uin(T& v, const T& newv) { if (v > newv) { v = newv; return true; } else return false; }

template<typename U, typename V>
istream& operator>>(istream& is, pair<U, V>& p) { is >> p.first >> p.second; return is; }
template<typename T>
istream& operator>>(istream& is, vector<T>& c) { for (auto& e : c) is >> e; return is; }

// template<typename ...T>
// istream& read(T&... args) { return (cin >> ... >> args); }

static mt19937 rande(123123);
template<typename T>
T rand_int(T from, T to) { uniform_int_distribution<T> distr(from, to); return distr(rande); }

bool valid(i64 n, i64 a) {
    i64 ap = a;
    forn(i, 60) {
        if (n % ap == 0 && ((n / ap) - 1) % a == 0) {
            return true;
        }
        if ((n) / ap < a) {
            break;
        }
        ap *= a;
        if (ap > n) {
            break;
        }
    }
    return false;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    i64 n;
    while (cin >> n) {

        if (n == 2) {
            cout << 1 << endl;
            continue;
        }
        i64 ans = 0;
        for (i64 i = 2; i * i <= n; i++) {
            if (n % i == 0) {
                ans += valid(n, i);
                if (i * i != n) {
                    ans += valid(n, n / i);
                }
            }
        }
        ans++;

        for (i64 i = 2; i * i <= n - 1; i++) {
            if ((n - 1) % i == 0) {
                ans++;
                ans += (i * i != n - 1);
            }
        }

        ans++;

        cout << ans << endl;
    }
}


Measured memory_bytes: 256