Q: What is the sum of all factors of the number 639,375 excluding 639,375?

A: 560,241

Why is 560,241 the sum of all factors of 639,375, excluding 639,375?

The factors of the number 639,375 are: 1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 165, 275, 341, 375, 465, 625, 775, 825, 1023, 1375, 1705, 1875, 2325, 3875, 4125, 5115, 6875, 8525, 11625, 19375, 20625, 25575, 42625, 58125, 127875, 213125, 639375.

If you add them up, you will get the total of 639,935. Now subtract 639,375 to get 560,241