#include<bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
int n;
cin>>n;
int x, y;
int flag = 0;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
if(pow(i, j)*j + pow(j, i)*i == n)
{
x = i;
y = j;
flag = 1;
break;
}
}
if(flag == 1)
{
break;
}
}
if(flag == 1)
{
cout<<x<<" "<<y<<endl;
}
else
{
cout<<"-1"<<endl;
}
}
return 0;
}
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