Q: What is the sum of all factors of the number 402,339 excluding 402,339?
A: 288,861
The factors of the number 402,339 are: 1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 343, 357, 391, 483, 833, 1029, 1127, 1173, 2499, 2737, 3381, 5831, 7889, 8211, 17493, 19159, 23667, 57477, 134113, 402339.
If you add them up, you will get the total of 402,627. Now subtract 402,339 to get 288,861