81305559

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{16823}}^1$

素因数の和:17011

約数の個数: 16

約数和(自身を含む): 121132800

約数和(自身を除く): 39827241

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4833, 16823, 50469, 151407, 454221, 3011317, 9033951, 27101853, 81305559]

約数ペア:

[(1, 81305559), (3, 27101853), (9, 9033951), (27, 3011317), (179, 454221), (537, 151407), (1611, 50469), (4833, 16823)]