Q: What is the sum of all factors of the number 211,965 excluding 211,965?
A: 153,603
The factors of the number 211,965 are: 1, 3, 5, 13, 15, 39, 65, 195, 1087, 3261, 5435, 14131, 16305, 42393, 70655, 211965.
If you add them up, you will get the total of 212,118. Now subtract 211,965 to get 153,603