18270291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1621}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 27885424

約数和(自身を除く): 9615133

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1621, 3757, 4863, 11271, 21073, 27557, 63219, 82671, 358241, 468469, 1074723, 1405407, 6090097, 18270291]

約数ペア:

[(1, 18270291), (3, 6090097), (13, 1405407), (17, 1074723), (39, 468469), (51, 358241), (221, 82671), (289, 63219), (663, 27557), (867, 21073), (1621, 11271), (3757, 4863)]