Q: What is the sum of all factors of the number 231,212,421 excluding 231,212,421?

A: 144,247,419

Why is 144,247,419 the sum of all factors of 231,212,421, excluding 231,212,421?

The factors of the number 231,212,421 are: 1, 3, 9, 11, 27, 33, 99, 223, 297, 669, 2007, 2453, 3491, 6021, 7359, 10473, 22077, 31419, 38401, 66231, 94257, 115203, 345609, 778493, 1036827, 2335479, 7006437, 8563423, 21019311, 25690269, 77070807, 231212421.

If you add them up, you will get the total of 231,212,565. Now subtract 231,212,421 to get 144,247,419