Q: What is the sum of all factors of the number 2,223 excluding 2,223?
A: 1,417
The factors of the number 2,223 are: 1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223.
If you add them up, you will get the total of 2,224. Now subtract 2,223 to get 1,417