12804921

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 19431360

約数和(自身を除く): 6626439

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 691, 2059, 2073, 6177, 6219, 18531, 20039, 49061, 60117, 147183, 180351, 441549, 1422769, 4268307, 12804921]

約数ペア:

[(1, 12804921), (3, 4268307), (9, 1422769), (29, 441549), (71, 180351), (87, 147183), (213, 60117), (261, 49061), (639, 20039), (691, 18531), (2059, 6219), (2073, 6177)]