Q: What is the sum of all factors of the number 31,140,039 excluding 31,140,039?

A: 20,237,025

Why is 20,237,025 the sum of all factors of 31,140,039, excluding 31,140,039?

The factors of the number 31,140,039 are: 1, 3, 7, 17, 21, 49, 51, 119, 147, 289, 357, 733, 833, 867, 2023, 2199, 2499, 5131, 6069, 12461, 14161, 15393, 35917, 37383, 42483, 87227, 107751, 211837, 261681, 610589, 635511, 1482859, 1831767, 4448577, 10380013, 31140039.

If you add them up, you will get the total of 31,140,059. Now subtract 31,140,039 to get 20,237,025