Q: What is the sum of all factors of the number 138,915 excluding 138,915?
A: 151,485
The factors of the number 138,915 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, 2835, 3087, 3969, 5145, 6615, 9261, 15435, 19845, 27783, 46305, 138915.
If you add them up, you will get the total of 139,066. Now subtract 138,915 to get 151,485