Q: What is the sum of all factors of the number 3,339 excluding 3,339?
A: 2,277
The factors of the number 3,339 are: 1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339.
If you add them up, you will get the total of 3,341. Now subtract 3,339 to get 2,277