Q: What is the sum of all factors of the number 27,991,307 excluding 27,991,307?
A: 261,709
The factors of the number 27,991,307 are: 1, 107, 261601, 27991307.
If you add them up, you will get the total of 27,991,568. Now subtract 27,991,307 to get 261,709