204122009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131947}}^1$

素因数の和:131984

約数の個数: 16

約数和(自身を含む): 266007168

約数和(自身を除く): 61885159

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 131947, 923629, 1715311, 2243099, 12007177, 15701693, 29160287, 204122009]

約数ペア:

[(1, 204122009), (7, 29160287), (13, 15701693), (17, 12007177), (91, 2243099), (119, 1715311), (221, 923629), (1547, 131947)]