28209411

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{33703}}^1$

素因数の和:33743

約数の個数: 16

約数和(自身を含む): 43141120

約数和(自身を除く): 14931709

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 33703, 101109, 303327, 909981, 1044793, 3134379, 9403137, 28209411]

約数ペア:

[(1, 28209411), (3, 9403137), (9, 3134379), (27, 1044793), (31, 909981), (93, 303327), (279, 101109), (837, 33703)]