Q: What is the sum of all factors of the number 386,991 excluding 386,991?
A: 238,929
The factors of the number 386,991 are: 1, 3, 9, 11, 27, 33, 99, 297, 1303, 3909, 11727, 14333, 35181, 42999, 128997, 386991.
If you add them up, you will get the total of 387,229. Now subtract 386,991 to get 238,929