9909809

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 12716928

約数和(自身を除く): 2807119

約数列:

[1, 7, 13, 47, 49, 91, 329, 331, 611, 637, 2303, 2317, 4277, 4303, 15557, 16219, 29939, 30121, 108899, 202241, 210847, 762293, 1415687, 9909809]

約数ペア:

[(1, 9909809), (7, 1415687), (13, 762293), (47, 210847), (49, 202241), (91, 108899), (329, 30121), (331, 29939), (611, 16219), (637, 15557), (2303, 4303), (2317, 4277)]