11.25.6

#include<stdio.h>

int main()

{

int n,i,j,sum=0;

scanf("%d",&n);

for(i=1;i<=n;i++)

{for(j=1;j<i;j++)

{if(i%j==0)sum+=j;

}

if(i==sum)

{printf("%d its factors are ",i);

for(j=1;j<i;j++)

{if(i%j==0)printf("%d ",j);

}printf("\n");

}sum=0;

}

return 0;

}