282667721

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{19961}}^1$

素因数の和:20009

約数の個数: 18

約数和(自身を含む): 349315038

約数和(自身を除く): 66647317

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 14161, 19961, 139727, 339337, 978089, 2375359, 5768729, 16627513, 40381103, 282667721]

約数ペア:

[(1, 282667721), (7, 40381103), (17, 16627513), (49, 5768729), (119, 2375359), (289, 978089), (833, 339337), (2023, 139727), (14161, 19961)]