81390486

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{315467}}^1$

素因数の和:315515

約数の個数: 16

約数和(自身を含む): 166567104

約数和(自身を除く): 85176618

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 315467, 630934, 946401, 1892802, 13565081, 27130162, 40695243, 81390486]

約数ペア:

[(1, 81390486), (2, 40695243), (3, 27130162), (6, 13565081), (43, 1892802), (86, 946401), (129, 630934), (258, 315467)]