Q: What is the sum of all factors of the number 1,953 excluding 1,953?
A: 1,375
The factors of the number 1,953 are: 1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953.
If you add them up, you will get the total of 1,954. Now subtract 1,953 to get 1,375