720558729

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1861}}^1\times {\mathrm{3911}}^1$

素因数の和:5789

約数の個数: 24

約数和(自身を含む): 1136326464

約数和(自身を除く): 415767735

約数列:

[1, 3, 9, 11, 33, 99, 1861, 3911, 5583, 11733, 16749, 20471, 35199, 43021, 61413, 129063, 184239, 387189, 7278371, 21835113, 65505339, 80062081, 240186243, 720558729]

約数ペア:

[(1, 720558729), (3, 240186243), (9, 80062081), (11, 65505339), (33, 21835113), (99, 7278371), (1861, 387189), (3911, 184239), (5583, 129063), (11733, 61413), (16749, 43021), (20471, 35199)]