18162297

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 27263808

約数和(自身を除く): 9101511

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 661, 1983, 3053, 5949, 9159, 27477, 28423, 46931, 85269, 140793, 255807, 422379, 2018033, 6054099, 18162297]

約数ペア:

[(1, 18162297), (3, 6054099), (9, 2018033), (43, 422379), (71, 255807), (129, 140793), (213, 85269), (387, 46931), (639, 28423), (661, 27477), (1983, 9159), (3053, 5949)]