Q: What is the sum of all factors of the number 85,385,745 excluding 85,385,745?

A: 71,267,631

Why is 71,267,631 the sum of all factors of 85,385,745, excluding 85,385,745?

The factors of the number 85,385,745 are: 1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 4903, 5805, 14709, 17415, 24515, 44127, 73545, 132381, 210829, 220635, 397143, 632487, 661905, 1054145, 1897461, 1985715, 3162435, 5692383, 9487305, 17077149, 28461915, 85385745.

If you add them up, you will get the total of 85,385,816. Now subtract 85,385,745 to get 71,267,631