Factors / Factors of 219

Factors of 219

1, 3, 73, 219

219 breaks into 2 pairs, tested up to √219 ≈ 14.8; each pair multiplies back to 219 exactly. 219's full pair list is (1, 219), (3, 73), for 4 divisors in total. 219's divisors other than 219 itself sum to just 77, 142 below 219: the common deficient case. 219 is odd, digit sum 12 for 219; small divisors of 219 include 3. 219 has 4 divisors; 218 has 4 and 220 has 12, so 220 wins here. 219 divided by its largest divisor, 73, gives 3.