Q: What is the sum of all factors of the number 2,205 excluding 2,205?
A: 2,241
The factors of the number 2,205 are: 1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205.
If you add them up, you will get the total of 2,207. Now subtract 2,205 to get 2,241