Q: What is the sum of all factors of the number 378,399 excluding 378,399?
A: 215,009
The factors of the number 378,399 are: 1, 3, 7, 21, 37, 111, 259, 487, 777, 1461, 3409, 10227, 18019, 54057, 126133, 378399.
If you add them up, you will get the total of 378,614. Now subtract 378,399 to get 215,009