# include <stdio.h>
void main()
{
    int num=1,i,sum,temp;
    while(num<=1000)
    {
        i=2;
        sum=1;
        temp=num;
        while(i<=num)
        {
            if(num%i==0)
            {
                sum=sum+i;
                num=num/i;
            }
            else
                i++;
        }
        if(temp=sum)
        {printf("%d",temp);}
        num++;
    }
}

编译通过，运行后有无数个3.