72864927

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{14747}}^1$

素因数の和:14820

約数の個数: 20

約数和(自身を含む): 110639496

約数和(自身を除く): 37774569

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 14747, 44241, 132723, 398169, 899567, 1194507, 2698701, 8096103, 24288309, 72864927]

約数ペア:

[(1, 72864927), (3, 24288309), (9, 8096103), (27, 2698701), (61, 1194507), (81, 899567), (183, 398169), (549, 132723), (1647, 44241), (4941, 14747)]