Factors / Factors of 449

Factors of 449

1, 449

449 is prime: only factor pair is (1, 449), confirmed by trial division up to √449 ≈ 21.2 turning up nothing else. 449's full pair list is (1, 449), for 2 divisors in total. 449's divisors other than 449 itself sum to just 1, 448 below 449: the common deficient case. 449 is odd, digit sum 17 for 449; none of 2-12 divide 449 evenly. 449 has 2 divisors; 448 has 14 and 450 has 18, so 450 wins here. 449 divided by its largest divisor, 1, gives 449.