13888917

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 23025600

約数和(自身を除く): 9136683

約数列:

[1, 3, 7, 9, 21, 63, 449, 491, 1347, 1473, 3143, 3437, 4041, 4419, 9429, 10311, 28287, 30933, 220459, 661377, 1543213, 1984131, 4629639, 13888917]

約数ペア:

[(1, 13888917), (3, 4629639), (7, 1984131), (9, 1543213), (21, 661377), (63, 220459), (449, 30933), (491, 28287), (1347, 10311), (1473, 9429), (3143, 4419), (3437, 4041)]