Q: What is the sum of all factors of the number 1,428,609 excluding 1,428,609?
A: 916,223
The factors of the number 1,428,609 are: 1, 3, 7, 13, 21, 39, 91, 273, 5233, 15699, 36631, 68029, 109893, 204087, 476203, 1428609.
If you add them up, you will get the total of 1,429,525. Now subtract 1,428,609 to get 916,223