Factors / Factors of 411

Factors of 411

1, 3, 137, 411

411 breaks into 2 pairs, tested up to √411 ≈ 20.3; each pair multiplies back to 411 exactly. 411's full pair list is (1, 411), (3, 137), for 4 divisors in total. 411's divisors other than 411 itself sum to just 141, 270 below 411: the common deficient case. 411 is odd, digit sum 6 for 411; small divisors of 411 include 3. 411 has 4 divisors; 410 has 8 and 412 has 6, so 410 wins here. 411 divided by its largest divisor, 137, gives 3.