Q: What is the sum of all factors of the number 1,395 excluding 1,395?
A: 1,101
The factors of the number 1,395 are: 1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395.
If you add them up, you will get the total of 1,396. Now subtract 1,395 to get 1,101