68720439

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{3271}}^1$

素因数の和:3470

約数の個数: 16

約数和(自身を含む): 94233600

約数和(自身を除く): 25513161

約数列:

[1, 3, 47, 141, 149, 447, 3271, 7003, 9813, 21009, 153737, 461211, 487379, 1462137, 22906813, 68720439]

約数ペア:

[(1, 68720439), (3, 22906813), (47, 1462137), (141, 487379), (149, 461211), (447, 153737), (3271, 21009), (7003, 9813)]