Q: What is the sum of all factors of the number 1,972,143 excluding 1,972,143?
A: 1,039,281
The factors of the number 1,972,143 are: 1, 3, 9, 19, 57, 171, 361, 607, 1083, 1821, 3249, 5463, 11533, 34599, 103797, 219127, 657381, 1972143.
If you add them up, you will get the total of 1,972,144. Now subtract 1,972,143 to get 1,039,281