Q: What is the sum of all factors of the number 3,981,681 including 3,981,681?
A: 6,449,664
The factors of the number 3,981,681 are: 1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1087, 1221, 3261, 3663, 9783, 11957, 35871, 40219, 107613, 120657, 361971, 442409, 1327227, 3981681.
If you add them up, you will get the total of 6,449,664.