Q: What is the sum of all factors of the number 1,401,309 excluding 1,401,309?
A: 1,219,491
The factors of the number 1,401,309 are: 1, 3, 7, 9, 13, 21, 29, 39, 59, 63, 87, 91, 117, 177, 203, 261, 273, 377, 413, 531, 609, 767, 819, 1131, 1239, 1711, 1827, 2301, 2639, 3393, 3717, 5133, 5369, 6903, 7917, 11977, 15399, 16107, 22243, 23751, 35931, 48321, 66729, 107793, 155701, 200187, 467103, 1401309.
If you add them up, you will get the total of 1,401,310. Now subtract 1,401,309 to get 1,219,491