Q: What is the sum of all factors of the number 1,605,423 excluding 1,605,423?
A: 675,537
The factors of the number 1,605,423 are: 1, 3, 23, 53, 69, 159, 439, 1219, 1317, 3657, 10097, 23267, 30291, 69801, 535141, 1605423.
If you add them up, you will get the total of 1,606,098. Now subtract 1,605,423 to get 675,537