66886317

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{13537}}^1$

素因数の和:13610

約数の個数: 20

約数和(自身を含む): 101562076

約数和(自身を除く): 34675759

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 13537, 40611, 121833, 365499, 825757, 1096497, 2477271, 7431813, 22295439, 66886317]

約数ペア:

[(1, 66886317), (3, 22295439), (9, 7431813), (27, 2477271), (61, 1096497), (81, 825757), (183, 365499), (549, 121833), (1647, 40611), (4941, 13537)]