Q: What is the sum of all factors of the number 680,391 excluding 680,391?
A: 360,441
The factors of the number 680,391 are: 1, 3, 9, 17, 51, 153, 4447, 13341, 40023, 75599, 226797, 680391.
If you add them up, you will get the total of 680,751. Now subtract 680,391 to get 360,441