Q: What is the sum of all factors of the number 1,218,147 excluding 1,218,147?
A: 809,373
The factors of the number 1,218,147 are: 1, 3, 7, 19, 21, 43, 57, 71, 129, 133, 213, 301, 399, 497, 817, 903, 1349, 1491, 2451, 3053, 4047, 5719, 9159, 9443, 17157, 21371, 28329, 58007, 64113, 174021, 406049, 1218147.
If you add them up, you will get the total of 1,218,956. Now subtract 1,218,147 to get 809,373