20215311

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 7460337

約数列:

[1, 3, 47, 141, 311, 461, 933, 1383, 14617, 21667, 43851, 65001, 143371, 430113, 6738437, 20215311]

約数ペア:

[(1, 20215311), (3, 6738437), (47, 430113), (141, 143371), (311, 65001), (461, 43851), (933, 21667), (1383, 14617)]