#include<bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < n; ++i)
#define rrep(i,n) for (int i = n-1; i >= 0; i--)
#define rep2(i,s,n) for (int i = s; i < n; ++i)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define tmax(a,b,c) max(a,max(b,c))
#define tmin(a,b,c) min(a,min(b,c))
#define pb push_back
#define eb emplace_back
#define vi vector<int>
#define vvi vector<vector<int>>
#define vl vector<ll>
#define vs vector<string>
#define vc vector<char>
#define vb vector<bool>
using namespace std;
using ll = long long;
using P = pair<int,int>;
using LP = pair<ll,ll>;
inline void Yes(bool b) { cout << (b ? "Yes" : "No") << endl; }
template<class T> inline bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;}
template<class T> inline bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;}
template<class T> inline void operator>>(istream& is,vector<T>& v) { for(int& i : v){ is>>i; } }
template<class T> inline void operator<<(ostream& os,const vector<T>& v) { for(int i : v){ os<<i<<" "; } os<<endl; }
const int inf = 1001001001;
const ll linf = 1001001001001001001;

const int mod = 1000000007;
struct mint {
  ll x;
  mint(ll x=0):x((x%mod+mod)%mod){}
  mint operator-() const { return mint(-x);}
  mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this;}
  mint& operator++() { x += 1; return *this;}
  mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; }
  mint& operator--() { x -= 1; return *this;}
  mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this; }
  mint operator+(const mint a) const { mint res(*this); return res+=a; }
  mint operator-(const mint a) const { mint res(*this); return res-=a; }
  mint operator*(const mint a) const { mint res(*this); return res*=a; }
  bool operator==(const int n) const { mint a(n); return this->x == a.x; }
  bool operator==(const ll n) const { mint a(n); return this->x == a.x; }
  bool operator!=(const int n) const { mint a(n); return this->x != a.x; }
  bool operator!=(const ll n) const { mint a(n); return this->x != a.x; }
  mint pow(ll t) const {
    if (!t) return 1;
    mint a = pow(t>>1);
    a *= a;
    if (t&1) a *= *this;
    return a;
  }
  // for prime mod
  mint inv() const { return pow(mod-2); }
  mint& operator/=(const mint a) { return (*this) *= a.inv(); }
  mint operator/(const mint a) const { mint res(*this); return res/=a; }
};
istream& operator>>(istream& is,const mint& m) { return is >> m.x; }
ostream& operator<<(ostream& os,const mint& m) { return os << m.x; }

ll N;
vector<mint> memo;
vector<bool> did;

mint solve(int n,int fl = 0) {
    if(!fl) {
        if(did[n]) return memo[n];
    }
    if(n == 1) {
        return mint(1);
    }
    mint ret = mint(n).pow(N);
    rep2(i,2,n+1) {
        int now = n/i;
        mint s = solve(now);
        if(fl) ret += s*mint(i);
        ret -= s;
    }
    if(!fl) {
        did[n] = true;
        memo[n] = ret;
    }
    return ret;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int k;
    cin >> N >> k;
    memo.resize(100000);
    did.resize(100000);
    rep(i,100000) did[i] = false;
    mint ans = solve(k,1);
    cout << ans << endl;
}


Measured memory_bytes: 3996