Q: What is the sum of all factors of the number 351,735,735 excluding 351,735,735?

A: 258,245,385

Why is 258,245,385 the sum of all factors of 351,735,735, excluding 351,735,735?

The factors of the number 351,735,735 are: 1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 2041, 2355, 6123, 10205, 11489, 30615, 34467, 57445, 149357, 172335, 448071, 746785, 1803773, 2240355, 5411319, 9018865, 23449049, 27056595, 70347147, 117245245, 351735735.

If you add them up, you will get the total of 351,735,993. Now subtract 351,735,735 to get 258,245,385