17910081

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9803}}^1$

素因数の和:9845

約数の個数: 24

約数和(自身を含む): 30588480

約数和(自身を除く): 12678399

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 9803, 29409, 68621, 88227, 205863, 284287, 617589, 852861, 1990009, 2558583, 5970027, 17910081]

約数ペア:

[(1, 17910081), (3, 5970027), (7, 2558583), (9, 1990009), (21, 852861), (29, 617589), (63, 284287), (87, 205863), (203, 88227), (261, 68621), (609, 29409), (1827, 9803)]