20187009

素因数分解:

$3^3\times {\mathrm{467}}^1\times {\mathrm{1601}}^1$

素因数の和:2077

約数の個数: 16

約数和(自身を含む): 29989440

約数和(自身を除く): 9802431

約数列:

[1, 3, 9, 27, 467, 1401, 1601, 4203, 4803, 12609, 14409, 43227, 747667, 2243001, 6729003, 20187009]

約数ペア:

[(1, 20187009), (3, 6729003), (9, 2243001), (27, 747667), (467, 43227), (1401, 14409), (1601, 12609), (4203, 4803)]