72980943

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{12109}}^1$

素因数の和:12167

約数の個数: 24

約数和(自身を含む): 115965360

約数和(自身を除く): 42984417

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 12109, 36327, 84763, 254289, 496469, 593341, 1489407, 1780023, 3475283, 10425849, 24326981, 72980943]

約数ペア:

[(1, 72980943), (3, 24326981), (7, 10425849), (21, 3475283), (41, 1780023), (49, 1489407), (123, 593341), (147, 496469), (287, 254289), (861, 84763), (2009, 36327), (6027, 12109)]