Q: What is the sum of all factors of the number 681,309 excluding 681,309?
A: 392,283
The factors of the number 681,309 are: 1, 3, 9, 17, 51, 61, 73, 153, 183, 219, 549, 657, 1037, 1241, 3111, 3723, 4453, 9333, 11169, 13359, 40077, 75701, 227103, 681309.
If you add them up, you will get the total of 681,701. Now subtract 681,309 to get 392,283