Q: What is the sum of all factors of the number 225,002,505 excluding 225,002,505?

A: 218,082,039

Why is 218,082,039 the sum of all factors of 225,002,505, excluding 225,002,505?

The factors of the number 225,002,505 are: 1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 164837, 494511, 824185, 1153859, 2142881, 2472555, 3461577, 5769295, 6428643, 10714405, 15000167, 17307885, 32143215, 45000501, 75000835, 225002505.

If you add them up, you will get the total of 225,002,723. Now subtract 225,002,505 to get 218,082,039