Q: What is the sum of all factors of the number 661,317 excluding 661,317?
A: 272,379
The factors of the number 661,317 are: 1, 3, 17, 51, 12967, 38901, 220439, 661317.
If you add them up, you will get the total of 661,589. Now subtract 661,317 to get 272,379