72437895

素因数分解:

$3^4\times 5^1\times {\mathrm{178859}}^1$

素因数の和:178876

約数の個数: 20

約数和(自身を含む): 129852360

約数和(自身を除く): 57414465

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 178859, 536577, 894295, 1609731, 2682885, 4829193, 8048655, 14487579, 24145965, 72437895]

約数ペア:

[(1, 72437895), (3, 24145965), (5, 14487579), (9, 8048655), (15, 4829193), (27, 2682885), (45, 1609731), (81, 894295), (135, 536577), (405, 178859)]