718658019

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{45139}}^1$

素因数の和:45235

約数の個数: 24

約数和(自身を含む): 1091485200

約数和(自身を除く): 372827181

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1769, 5307, 15921, 45139, 135417, 406251, 1309031, 2753479, 3927093, 8260437, 11781279, 24781311, 79850891, 239552673, 718658019]

約数ペア:

[(1, 718658019), (3, 239552673), (9, 79850891), (29, 24781311), (61, 11781279), (87, 8260437), (183, 3927093), (261, 2753479), (549, 1309031), (1769, 406251), (5307, 135417), (15921, 45139)]