12000009

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4111}}^1$

素因数の和:4260

約数の個数: 16

約数和(自身を含む): 18421760

約数和(自身を除く): 6421751

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 4111, 12333, 28777, 86331, 571429, 1714287, 4000003, 12000009]

約数ペア:

[(1, 12000009), (3, 4000003), (7, 1714287), (21, 571429), (139, 86331), (417, 28777), (973, 12333), (2919, 4111)]