2017430145

素因数分解:

$3^4\times 5^1\times {\mathrm{4981309}}^1$

素因数の和:4981326

約数の個数: 20

約数和(自身を含む): 3616431060

約数和(自身を除く): 1599000915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4981309, 14943927, 24906545, 44831781, 74719635, 134495343, 224158905, 403486029, 672476715, 2017430145]

約数ペア:

[(1, 2017430145), (3, 672476715), (5, 403486029), (9, 224158905), (15, 134495343), (27, 74719635), (45, 44831781), (81, 24906545), (135, 14943927), (405, 4981309)]