81233719

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{5039}}^1$

素因数の和:5107

約数の個数: 16

約数和(自身を含む): 96768000

約数和(自身を除く): 15534281

約数列:

[1, 7, 47, 49, 329, 343, 2303, 5039, 16121, 35273, 236833, 246911, 1657831, 1728377, 11604817, 81233719]

約数ペア:

[(1, 81233719), (7, 11604817), (47, 1728377), (49, 1657831), (329, 246911), (343, 236833), (2303, 35273), (5039, 16121)]