128580081

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{57223}}^1$

素因数の和:57340

約数の個数: 16

約数和(自身を含む): 197766144

約数和(自身を除く): 69186063

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 57223, 171669, 400561, 1201683, 6122861, 18368583, 42860027, 128580081]

約数ペア:

[(1, 128580081), (3, 42860027), (7, 18368583), (21, 6122861), (107, 1201683), (321, 400561), (749, 171669), (2247, 57223)]