12711735

素因数分解:

$3^4\times 5^1\times {\mathrm{31387}}^1$

素因数の和:31404

約数の個数: 20

約数和(自身を含む): 22787688

約数和(自身を除く): 10075953

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31387, 94161, 156935, 282483, 470805, 847449, 1412415, 2542347, 4237245, 12711735]

約数ペア:

[(1, 12711735), (3, 4237245), (5, 2542347), (9, 1412415), (15, 847449), (27, 470805), (45, 282483), (81, 156935), (135, 94161), (405, 31387)]