81075379

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{4519}}^1$

素因数の和:4770

約数の個数: 16

約数和(自身を含む): 101537280

約数和(自身を除く): 20461901

約数列:

[1, 7, 11, 77, 233, 1631, 2563, 4519, 17941, 31633, 49709, 347963, 1052927, 7370489, 11582197, 81075379]

約数ペア:

[(1, 81075379), (7, 11582197), (11, 7370489), (77, 1052927), (233, 347963), (1631, 49709), (2563, 31633), (4519, 17941)]