Strong numbers

#include<stdio.h>
int main(){
    int n, i, j, fact, sum;
    printf("Enter the number: ");
    scanf("%d", &n);
    printf("Strong number between 1 to %d are: \n", n);
    for(i = 1; i <= n; i++){
        sum =0;
        j = i;
        while(j > 0){
            fact = 1;
            for(int k = 1; k <= j%10; k++)
            fact *= k;
            sum += fact;
            j /= 10;
        }
        if(sum == i)
            printf("%d\n", i);
    }
    return 0;
}