Q: What is the sum of all factors of the number 3,807 excluding 3,807?
A: 2,001
The factors of the number 3,807 are: 1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807.
If you add them up, you will get the total of 3,809. Now subtract 3,807 to get 2,001