Q: What is the sum of all factors of the number 120,455,643 excluding 120,455,643?

A: 80,660,517

Why is 80,660,517 the sum of all factors of 120,455,643, excluding 120,455,643?

The factors of the number 120,455,643 are: 1, 3, 7, 11, 21, 33, 77, 231, 257, 771, 1799, 2029, 2827, 5397, 6087, 8481, 14203, 19789, 22319, 42609, 59367, 66957, 156233, 468699, 521453, 1564359, 3650171, 5735983, 10950513, 17207949, 40151881, 120455643.

If you add them up, you will get the total of 120,455,723. Now subtract 120,455,643 to get 80,660,517