Q: What is the sum of all factors of the number 9 excluding 9?

 A: 4

Why is 4 the sum of all factors of 9, excluding 9?

The factors of the number 9 are: 1, 3, 9.

If you add them up, you will get the total of 13. Now subtract 9 to get 4


More numbers for you to try...

781011
Try the factor calculator

Explore more about the number 9:


Ask a Question