Q: What is the sum of all factors of the number 661,623 excluding 661,623?
A: 272,505
The factors of the number 661,623 are: 1, 3, 17, 51, 12973, 38919, 220541, 661623.
If you add them up, you will get the total of 661,895. Now subtract 661,623 to get 272,505