Q: What is the sum of all factors of the number 128,385 excluding 128,385?
A: 102,483
The factors of the number 128,385 are: 1, 3, 5, 9, 15, 27, 45, 81, 135, 317, 405, 951, 1585, 2853, 4755, 8559, 14265, 25677, 42795, 128385.
If you add them up, you will get the total of 128,487. Now subtract 128,385 to get 102,483