12558321

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{683}}^1$

素因数の和:922

約数の個数: 20

約数和(自身を含む): 18870192

約数和(自身を除く): 6311871

約数列:

[1, 3, 9, 27, 81, 227, 681, 683, 2043, 2049, 6129, 6147, 18387, 18441, 55323, 155041, 465123, 1395369, 4186107, 12558321]

約数ペア:

[(1, 12558321), (3, 4186107), (9, 1395369), (27, 465123), (81, 155041), (227, 55323), (681, 18441), (683, 18387), (2043, 6147), (2049, 6129)]