Q: What is the sum of all factors of the number 1,035 excluding 1,035?
A: 837
The factors of the number 1,035 are: 1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035.
If you add them up, you will get the total of 1,872. Now subtract 1,035 to get 837