Factors / Factors of 443

Factors of 443

1, 443

443 is prime: only factor pair is (1, 443), confirmed by trial division up to √443 ≈ 21.0 turning up nothing else. 443's full pair list is (1, 443), for 2 divisors in total. 443's divisors other than 443 itself sum to just 1, 442 below 443: the common deficient case. 443 is odd, digit sum 11 for 443; none of 2-12 divide 443 evenly. 443 has 2 divisors; 442 has 8 and 444 has 12, so 444 wins here. 443 divided by its largest divisor, 1, gives 443.