Q: What is the sum of all factors of the number 612,915 excluding 612,915?
A: 402,285
The factors of the number 612,915 are: 1, 3, 5, 15, 29, 87, 145, 435, 1409, 4227, 7045, 21135, 40861, 122583, 204305, 612915.
If you add them up, you will get the total of 613,317. Now subtract 612,915 to get 402,285