Q: What is the sum of all factors of the number 39,975 including 39,975?
A: 72,912
The factors of the number 39,975 are: 1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 975, 1025, 1599, 2665, 3075, 7995, 13325, 39975.
If you add them up, you will get the total of 72,912.