668078727

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89399}}^1$

素因数の和:89502

約数の個数: 16

約数和(自身を含む): 926899200

約数和(自身を除く): 258820473

約数列:

[1, 3, 47, 53, 141, 159, 2491, 7473, 89399, 268197, 4201753, 4738147, 12605259, 14214441, 222692909, 668078727]

約数ペア:

[(1, 668078727), (3, 222692909), (47, 14214441), (53, 12605259), (141, 4738147), (159, 4201753), (2491, 268197), (7473, 89399)]