Q: What is the sum of all factors of the number 231,431,421 excluding 231,431,421?

A: 123,949,059

Why is 123,949,059 the sum of all factors of 231,431,421, excluding 231,431,421?

The factors of the number 231,431,421 are: 1, 3, 13, 17, 39, 51, 103, 221, 309, 663, 1339, 1751, 3389, 4017, 5253, 10167, 22763, 44057, 57613, 68289, 132171, 172839, 349067, 748969, 1047201, 2246907, 4537871, 5934139, 13613613, 17802417, 77143807, 231431421.

If you add them up, you will get the total of 231,431,544. Now subtract 231,431,421 to get 123,949,059