16402221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 26453856

約数和(自身を除く): 10051635

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 3853, 4257, 11559, 34677, 42383, 127149, 165679, 381447, 497037, 1491111, 1822469, 5467407, 16402221]

約数ペア:

[(1, 16402221), (3, 5467407), (9, 1822469), (11, 1491111), (33, 497037), (43, 381447), (99, 165679), (129, 127149), (387, 42383), (473, 34677), (1419, 11559), (3853, 4257)]