Q: What is the sum of all factors of the number 165,661,665 excluding 165,661,665?

A: 140,152,095

Why is 140,152,095 the sum of all factors of 165,661,665, excluding 165,661,665?

The factors of the number 165,661,665 are: 1, 3, 5, 13, 15, 19, 39, 57, 61, 65, 95, 183, 195, 247, 285, 305, 733, 741, 793, 915, 1159, 1235, 2199, 2379, 3477, 3665, 3705, 3965, 5795, 9529, 10995, 11895, 13927, 15067, 17385, 28587, 41781, 44713, 45201, 47645, 69635, 75335, 134139, 142935, 181051, 208905, 223565, 226005, 543153, 581269, 670695, 849547, 905255, 1743807, 2548641, 2715765, 2906345, 4247735, 8719035, 11044111, 12743205, 33132333, 55220555, 165661665.

If you add them up, you will get the total of 165,661,805. Now subtract 165,661,665 to get 140,152,095