Q: What is the sum of all factors of the number 1,280,205 including 1,280,205?
A: 2,395,800
The factors of the number 1,280,205 are: 1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 109, 135, 145, 261, 327, 405, 435, 545, 783, 981, 1305, 1635, 2349, 2943, 3161, 3915, 4905, 8829, 9483, 11745, 14715, 15805, 28449, 44145, 47415, 85347, 142245, 256041, 426735, 1280205.
If you add them up, you will get the total of 2,395,800.