Q: What is the sum of all factors of the number 1,602,489 excluding 1,602,489?
A: 861,639
The factors of the number 1,602,489 are: 1, 3, 7, 21, 137, 411, 557, 959, 1671, 2877, 3899, 11697, 76309, 228927, 534163, 1602489.
If you add them up, you will get the total of 1,603,350. Now subtract 1,602,489 to get 861,639