16613889

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 23833920

約数和(自身を除く): 7220031

約数列:

[1, 3, 23, 47, 69, 109, 141, 327, 1081, 2209, 2507, 3243, 5123, 6627, 7521, 15369, 50807, 117829, 152421, 240781, 353487, 722343, 5537963, 16613889]

約数ペア:

[(1, 16613889), (3, 5537963), (23, 722343), (47, 353487), (69, 240781), (109, 152421), (141, 117829), (327, 50807), (1081, 15369), (2209, 7521), (2507, 6627), (3243, 5123)]