Q: What is the sum of all factors of the number 610,623 excluding 610,623?
A: 398,385
The factors of the number 610,623 are: 1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 307, 663, 921, 1989, 2763, 3991, 5219, 11973, 15657, 35919, 46971, 67847, 203541, 610623.
If you add them up, you will get the total of 611,021. Now subtract 610,623 to get 398,385