Q: What is the sum of all factors of the number 409,071 excluding 409,071?
A: 213,873
The factors of the number 409,071 are: 1, 3, 13, 17, 39, 51, 221, 617, 663, 1851, 8021, 10489, 24063, 31467, 136357, 409071.
If you add them up, you will get the total of 409,284. Now subtract 409,071 to get 213,873