Q: What is the sum of all factors of the number 1,639,521 excluding 1,639,521?
A: 1,023,027
The factors of the number 1,639,521 are: 1, 3, 9, 13, 27, 39, 81, 117, 173, 243, 351, 519, 729, 1053, 1557, 2249, 3159, 4671, 6747, 9477, 14013, 20241, 42039, 60723, 126117, 182169, 546507, 1639521.
If you add them up, you will get the total of 1,639,522. Now subtract 1,639,521 to get 1,023,027