17787969

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 26426400

約数和(自身を除く): 8638431

約数列:

[1, 3, 9, 59, 139, 177, 241, 417, 531, 723, 1251, 2169, 8201, 14219, 24603, 33499, 42657, 73809, 100497, 127971, 301491, 1976441, 5929323, 17787969]

約数ペア:

[(1, 17787969), (3, 5929323), (9, 1976441), (59, 301491), (139, 127971), (177, 100497), (241, 73809), (417, 42657), (531, 33499), (723, 24603), (1251, 14219), (2169, 8201)]