81519119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3919}}^1$

素因数の和:4022

約数の個数: 16

約数和(自身を含む): 93327360

約数和(自身を除く): 11808241

約数列:

[1, 11, 31, 61, 341, 671, 1891, 3919, 20801, 43109, 121489, 239059, 1336379, 2629649, 7410829, 81519119]

約数ペア:

[(1, 81519119), (11, 7410829), (31, 2629649), (61, 1336379), (341, 239059), (671, 121489), (1891, 43109), (3919, 20801)]