12105009

素因数分解:

$3^2\times 7^2\times {\mathrm{27449}}^1$

素因数の和:27469

約数の個数: 18

約数和(自身を含む): 20340450

約数和(自身を除く): 8235441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 27449, 82347, 192143, 247041, 576429, 1345001, 1729287, 4035003, 12105009]

約数ペア:

[(1, 12105009), (3, 4035003), (7, 1729287), (9, 1345001), (21, 576429), (49, 247041), (63, 192143), (147, 82347), (441, 27449)]