648216297

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{338141}}^1$

素因数の和:338221

約数の個数: 16

約数和(自身を含む): 973848960

約数和(自身を除く): 325632663

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 338141, 1014423, 3043269, 9129807, 24008011, 72024033, 216072099, 648216297]

約数ペア:

[(1, 648216297), (3, 216072099), (9, 72024033), (27, 24008011), (71, 9129807), (213, 3043269), (639, 1014423), (1917, 338141)]