-54 and -2 aren't technically factors of 108, but they will satisfy this problem.
15 + 15 + 5 + 5 + 3 + 1 = 44
15
-7585
15
How about: 9+6 = 15
factors of 30 that add to 17 are 2 and 15
Add up its proper factors. If that sum is less than 54, it's deficient.
-54 and -2 aren't technically factors of 108, but they will satisfy this problem.
126 and -63 42 and 21 54 and 9
115
15 and 4 are the factors of 120 that add up to 19.
15 + 15 + 5 + 5 + 3 + 1 = 44
375
-273
14 and 1 9 and 6
15