Q: What is the sum of all factors of the number 845,434,821 excluding 845,434,821?

A: 605,311,035

Why is 605,311,035 the sum of all factors of 845,434,821, excluding 845,434,821?

The factors of the number 845,434,821 are: 1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 118061, 354183, 826427, 1298671, 2479281, 3659891, 3896013, 9090697, 10979673, 25619237, 27272091, 40258801, 76857711, 120776403, 281811607, 845434821.

If you add them up, you will get the total of 845,435,426. Now subtract 845,434,821 to get 605,311,035