Q: What is the sum of all factors of the number 871,923 excluding 871,923?
A: 400,397
The factors of the number 871,923 are: 1, 3, 13, 39, 79, 237, 283, 849, 1027, 3081, 3679, 11037, 22357, 67071, 290641, 871923.
If you add them up, you will get the total of 872,323. Now subtract 871,923 to get 400,397