Q: What is the sum of all factors of the number 426,393 excluding 426,393?
A: 266,247
The factors of the number 426,393 are: 1, 3, 9, 11, 33, 59, 73, 99, 177, 219, 531, 649, 657, 803, 1947, 2409, 4307, 5841, 7227, 12921, 38763, 47377, 142131, 426393.
If you add them up, you will get the total of 426,659. Now subtract 426,393 to get 266,247