Q: What is the sum of all factors of the number 340,431 excluding 340,431?
A: 250,929
The factors of the number 340,431 are: 1, 3, 7, 13, 21, 29, 39, 43, 87, 91, 129, 203, 273, 301, 377, 559, 609, 903, 1131, 1247, 1677, 2639, 3741, 3913, 7917, 8729, 11739, 16211, 26187, 48633, 113477, 340431.
If you add them up, you will get the total of 340,681. Now subtract 340,431 to get 250,929