Q: What is the sum of all factors of the number 123,331,047 excluding 123,331,047?

A: 68,721,177

Why is 68,721,177 the sum of all factors of 123,331,047, excluding 123,331,047?

The factors of the number 123,331,047 are: 1, 3, 7, 21, 71, 181, 213, 457, 497, 543, 1267, 1371, 1491, 3199, 3801, 9597, 12851, 32447, 38553, 82717, 89957, 97341, 227129, 248151, 269871, 579019, 681387, 1737057, 5872907, 17618721, 41110349, 123331047.

If you add them up, you will get the total of 123,331,115. Now subtract 123,331,047 to get 68,721,177