81051009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20177}}^1$

素因数の和:20296

約数の個数: 16

約数和(自身を含む): 117516672

約数和(自身を除く): 36465663

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 20177, 60531, 262301, 786903, 2078231, 6234693, 27017003, 81051009]

約数ペア:

[(1, 81051009), (3, 27017003), (13, 6234693), (39, 2078231), (103, 786903), (309, 262301), (1339, 60531), (4017, 20177)]