public class Test {
 public static void main(String[] args) { 
        // TODO Auto-generated method stub 
        printComNum(1000); 
    } 
    static void printComNum(int n){ 
        for(int i = 1; i <= n;i++){ 
            int s = 0; 
            for(int j = 1;j < i;j++){ 
                if(i % j == 0){ 
                    s = s + j; 
                } 
            } 
            if(s == i){ 
                System.out.println(i+"是完全数..."); 
            } 
        } 
    } 

}