72815517

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{14737}}^1$

素因数の和:14810

約数の個数: 20

約数和(自身を含む): 110564476

約数和(自身を除く): 37748959

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 14737, 44211, 132633, 397899, 898957, 1193697, 2696871, 8090613, 24271839, 72815517]

約数ペア:

[(1, 72815517), (3, 24271839), (9, 8090613), (27, 2696871), (61, 1193697), (81, 898957), (183, 397899), (549, 132633), (1647, 44211), (4941, 14737)]