Q: What is the sum of all factors of the number 639,297 excluding 639,297?
A: 291,087
The factors of the number 639,297 are: 1, 3, 9, 251, 283, 753, 849, 2259, 2547, 71033, 213099, 639297.
If you add them up, you will get the total of 639,588. Now subtract 639,297 to get 291,087