Q: What is the sum of all factors of the number 245,420,253 excluding 245,420,253?

A: 148,398,627

Why is 148,398,627 the sum of all factors of 245,420,253, excluding 245,420,253?

The factors of the number 245,420,253 are: 1, 3, 9, 13, 27, 39, 117, 181, 351, 543, 1629, 2353, 3863, 4887, 7059, 11589, 21177, 34767, 50219, 63531, 104301, 150657, 451971, 699203, 1355913, 2097609, 6292827, 9089639, 18878481, 27268917, 81806751, 245420253.

If you add them up, you will get the total of 245,420,401. Now subtract 245,420,253 to get 148,398,627