Q: What is the sum of all factors of the number 1,425 excluding 1,425?
A: 1,055
The factors of the number 1,425 are: 1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425.
If you add them up, you will get the total of 1,426. Now subtract 1,425 to get 1,055