Q: What is the sum of all factors of the number 2,145,555 including 2,145,555?
A: 3,985,920
The factors of the number 2,145,555 are: 1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 691, 1035, 2073, 3105, 3455, 6219, 10365, 15893, 18657, 31095, 47679, 79465, 93285, 143037, 238395, 429111, 715185, 2145555.
If you add them up, you will get the total of 3,985,920.