8821665

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 16144128

約数和(自身を除く): 7322463

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 97, 129, 141, 215, 235, 291, 387, 423, 485, 645, 705, 873, 1455, 1935, 2021, 2115, 4171, 4365, 4559, 6063, 10105, 12513, 13677, 18189, 20855, 22795, 30315, 37539, 41031, 62565, 68385, 90945, 187695, 196037, 205155, 588111, 980185, 1764333, 2940555, 8821665]

約数ペア:

[(1, 8821665), (3, 2940555), (5, 1764333), (9, 980185), (15, 588111), (43, 205155), (45, 196037), (47, 187695), (97, 90945), (129, 68385), (141, 62565), (215, 41031), (235, 37539), (291, 30315), (387, 22795), (423, 20855), (485, 18189), (645, 13677), (705, 12513), (873, 10105), (1455, 6063), (1935, 4559), (2021, 4365), (2115, 4171)]