9920655

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 17269200

約数和(自身を除く): 7348545

約数列:

[1, 3, 5, 9, 15, 45, 449, 491, 1347, 1473, 2245, 2455, 4041, 4419, 6735, 7365, 20205, 22095, 220459, 661377, 1102295, 1984131, 3306885, 9920655]

約数ペア:

[(1, 9920655), (3, 3306885), (5, 1984131), (9, 1102295), (15, 661377), (45, 220459), (449, 22095), (491, 20205), (1347, 7365), (1473, 6735), (2245, 4419), (2455, 4041)]