Q: What is the sum of all factors of the number 426,387 excluding 426,387?
A: 211,185
The factors of the number 426,387 are: 1, 3, 13, 29, 39, 87, 169, 377, 507, 841, 1131, 2523, 4901, 10933, 14703, 32799, 142129, 426387.
If you add them up, you will get the total of 426,598. Now subtract 426,387 to get 211,185