7215255

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 12629760

約数和(自身を除く): 5414505

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1471, 1635, 4413, 4905, 7355, 13239, 22065, 66195, 160339, 481017, 801695, 1443051, 2405085, 7215255]

約数ペア:

[(1, 7215255), (3, 2405085), (5, 1443051), (9, 801695), (15, 481017), (45, 160339), (109, 66195), (327, 22065), (545, 13239), (981, 7355), (1471, 4905), (1635, 4413)]