Q: What is the sum of all factors of the number 1,260,423 excluding 1,260,423?
A: 639,657
The factors of the number 1,260,423 are: 1, 3, 9, 23, 69, 207, 6089, 18267, 54801, 140047, 420141, 1260423.
If you add them up, you will get the total of 1,261,062. Now subtract 1,260,423 to get 639,657