Q: What is the sum of all factors of the number 668,871 excluding 668,871?
A: 463,929
The factors of the number 668,871 are: 1, 3, 7, 9, 21, 27, 63, 189, 3539, 10617, 24773, 31851, 74319, 95553, 222957, 668871.
If you add them up, you will get the total of 669,334. Now subtract 668,871 to get 463,929