Q: What is the sum of all factors of the number 972,405 excluding 972,405?
A: 1,061,121
The factors of the number 972,405 are: 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 343, 405, 441, 567, 735, 945, 1029, 1323, 1715, 2205, 2401, 2835, 3087, 3969, 5145, 6615, 7203, 9261, 12005, 15435, 19845, 21609, 27783, 36015, 46305, 64827, 108045, 138915, 194481, 324135, 972405.
If you add them up, you will get the total of 972,406. Now subtract 972,405 to get 1,061,121