Q: What is the sum of all factors of the number 1,387,113 excluding 1,387,113?
A: 889,623
The factors of the number 1,387,113 are: 1, 3, 7, 13, 21, 39, 91, 273, 5081, 15243, 35567, 66053, 106701, 198159, 462371, 1387113.
If you add them up, you will get the total of 1,388,002. Now subtract 1,387,113 to get 889,623