Q: What is the sum of all factors of the number 423,243 excluding 423,243?
A: 240,693
The factors of the number 423,243 are: 1, 3, 9, 31, 37, 41, 93, 111, 123, 279, 333, 369, 1147, 1271, 1517, 3441, 3813, 4551, 10323, 11439, 13653, 47027, 141081, 423243.
If you add them up, you will get the total of 423,483. Now subtract 423,243 to get 240,693