12804651

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 19685120

約数和(自身を除く): 6880469

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 727, 927, 1957, 2181, 5871, 6543, 13813, 17613, 41439, 74881, 124317, 224643, 673929, 1422739, 4268217, 12804651]

約数ペア:

[(1, 12804651), (3, 4268217), (9, 1422739), (19, 673929), (57, 224643), (103, 124317), (171, 74881), (309, 41439), (727, 17613), (927, 13813), (1957, 6543), (2181, 5871)]