20280429

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3041}}^1$

素因数の和:3082

約数の個数: 32

約数和(自身を含む): 34070400

約数和(自身を除く): 13789971

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 3041, 6669, 9123, 27369, 39533, 57779, 82107, 118599, 173337, 355797, 520011, 751127, 1067391, 1560033, 2253381, 6760143, 20280429]

約数ペア:

[(1, 20280429), (3, 6760143), (9, 2253381), (13, 1560033), (19, 1067391), (27, 751127), (39, 520011), (57, 355797), (117, 173337), (171, 118599), (247, 82107), (351, 57779), (513, 39533), (741, 27369), (2223, 9123), (3041, 6669)]