Q: What is the sum of all factors of the number 1,725 excluding 1,725?
A: 1,251
The factors of the number 1,725 are: 1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725.
If you add them up, you will get the total of 1,726. Now subtract 1,725 to get 1,251