220016889

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{4003}}^1$

素因数の和:4237

約数の個数: 24

約数和(自身を含む): 329801472

約数和(自身を除く): 109784583

約数列:

[1, 3, 9, 31, 93, 197, 279, 591, 1773, 4003, 6107, 12009, 18321, 36027, 54963, 124093, 372279, 788591, 1116837, 2365773, 7097319, 24446321, 73338963, 220016889]

約数ペア:

[(1, 220016889), (3, 73338963), (9, 24446321), (31, 7097319), (93, 2365773), (197, 1116837), (279, 788591), (591, 372279), (1773, 124093), (4003, 54963), (6107, 36027), (12009, 18321)]