Q: What is the sum of all factors of the number 191,691 excluding 191,691?
A: 105,489
The factors of the number 191,691 are: 1, 3, 9, 19, 57, 59, 171, 177, 361, 531, 1083, 1121, 3249, 3363, 10089, 21299, 63897, 191691.
If you add them up, you will get the total of 191,796. Now subtract 191,691 to get 105,489