64706445

素因数分解:

$3^4\times 5^1\times {\mathrm{159769}}^1$

素因数の和:159786

約数の個数: 20

約数和(自身を含む): 115993020

約数和(自身を除く): 51286575

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159769, 479307, 798845, 1437921, 2396535, 4313763, 7189605, 12941289, 21568815, 64706445]

約数ペア:

[(1, 64706445), (3, 21568815), (5, 12941289), (9, 7189605), (15, 4313763), (27, 2396535), (45, 1437921), (81, 798845), (135, 479307), (405, 159769)]