Q: What is the sum of all factors of the number 667,989 excluding 667,989?
A: 485,163
The factors of the number 667,989 are: 1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 461, 483, 1383, 1449, 3227, 4149, 9681, 10603, 29043, 31809, 74221, 95427, 222663, 667989.
If you add them up, you will get the total of 668,474. Now subtract 667,989 to get 485,163