12862521

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3347}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 21587904

約数和(自身を除く): 8725383

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3347, 3843, 10041, 23429, 30123, 70287, 204167, 210861, 612501, 1429169, 1837503, 4287507, 12862521]

約数ペア:

[(1, 12862521), (3, 4287507), (7, 1837503), (9, 1429169), (21, 612501), (61, 210861), (63, 204167), (183, 70287), (427, 30123), (549, 23429), (1281, 10041), (3347, 3843)]