81322125

素因数分解:

$3^1\times 5^3\times {\mathrm{216859}}^1$

素因数の和:216877

約数の個数: 16

約数和(自身を含む): 135320640

約数和(自身を除く): 53998515

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 216859, 650577, 1084295, 3252885, 5421475, 16264425, 27107375, 81322125]

約数ペア:

[(1, 81322125), (3, 27107375), (5, 16264425), (15, 5421475), (25, 3252885), (75, 1084295), (125, 650577), (375, 216859)]