81239081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{25733}}^1$

素因数の和:25792

約数の個数: 16

約数和(自身を含む): 103759488

約数和(自身を除く): 22520407

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 25733, 180131, 283063, 1055053, 1981441, 7385371, 11605583, 81239081]

約数ペア:

[(1, 81239081), (7, 11605583), (11, 7385371), (41, 1981441), (77, 1055053), (287, 283063), (451, 180131), (3157, 25733)]