#include<bits/stdc++.h>
using std::cin;
using std::cout;
using std::endl;
using ll=long long;
const ll mod=1e9+7;
ll modpow(ll X,ll Y){
    ll ret=1;
    while(Y){
        if(Y%2) ret=ret*X%mod;
        X=X*X%mod;
        Y/=2;
    }
    return ret;
}
int main(){
    ll N,M,K; cin>>N>>K>>M;
    ll max=1e6;
    assert(1<=N&&N<=max&&1<=M&&M<=max&&1<=K&&K<=max);
    ll sum=1,ans=0;
    for(int i=1;i<=N;i++){
        if(K%i==0){
            ans+=sum*modpow(N,N-i)%mod;
            ans%=mod;
        }
        sum*=(N-i);
        sum%=mod;
    }
    if(M==1){
        cout<<ans<<endl;
    }
    else{
        ans=modpow(N,N)-ans;
        if(ans<0) ans+=mod;
        ans*=modpow(N-1,mod-2);
        ans%=mod;
        cout<<ans<<endl;
    }
}