7220391

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 10044000

約数和(自身を除く): 2823609

約数列:

[1, 3, 29, 87, 149, 447, 557, 1671, 4321, 12963, 16153, 48459, 82993, 248979, 2406797, 7220391]

約数ペア:

[(1, 7220391), (3, 2406797), (29, 248979), (87, 82993), (149, 48459), (447, 16153), (557, 12963), (1671, 4321)]