Q: What is the sum of all factors of the number 421,287 excluding 421,287?
A: 173,073
The factors of the number 421,287 are: 1, 3, 19, 57, 361, 389, 1083, 1167, 7391, 22173, 140429, 421287.
If you add them up, you will get the total of 421,460. Now subtract 421,287 to get 173,073