2156755531

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{330943}}^1$

素因数の和:330983

約数の個数: 16

約数和(自身を含む): 2647552000

約数和(自身を除く): 490796469

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 330943, 2316601, 6287917, 16216207, 44015419, 113513449, 308107933, 2156755531]

約数ペア:

[(1, 2156755531), (7, 308107933), (19, 113513449), (49, 44015419), (133, 16216207), (343, 6287917), (931, 2316601), (6517, 330943)]