42640893

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 63217440

約数和(自身を除く): 20576547

約数列:

[1, 3, 9, 59, 131, 177, 393, 531, 613, 1179, 1839, 5517, 7729, 23187, 36167, 69561, 80303, 108501, 240909, 325503, 722727, 4737877, 14213631, 42640893]

約数ペア:

[(1, 42640893), (3, 14213631), (9, 4737877), (59, 722727), (131, 325503), (177, 240909), (393, 108501), (531, 80303), (613, 69561), (1179, 36167), (1839, 23187), (5517, 7729)]