Q: What is the sum of all factors of the number 664,443 excluding 664,443?
A: 406,165
The factors of the number 664,443 are: 1, 3, 9, 13, 27, 39, 81, 117, 351, 631, 1053, 1893, 5679, 8203, 17037, 24609, 51111, 73827, 221481, 664443.
If you add them up, you will get the total of 664,849. Now subtract 664,443 to get 406,165