Factors / Factors of 275
Factors of 275
1, 5, 11, 25, 55, 275
275 breaks into 3 pairs, tested up to √275 ≈ 16.6; each pair multiplies back to 275 exactly. 275's full pair list is (1, 275), (5, 55), (11, 25), for 6 divisors in total. 275's divisors other than 275 itself sum to just 97, 178 below 275: the common deficient case. 275 is odd, digit sum 14 for 275; small divisors of 275 include 5, 11. 275 has 6 divisors; 274 has 4 and 276 has 12, so 276 wins here. 275 divided by its largest divisor, 55, gives 5.