81635673

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{27967}}^1$

素因数の和:28116

約数の個数: 16

約数和(自身を含む): 125296640

約数和(自身を除く): 43660967

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 27967, 83901, 195769, 587307, 3887413, 11662239, 27211891, 81635673]

約数ペア:

[(1, 81635673), (3, 27211891), (7, 11662239), (21, 3887413), (139, 587307), (417, 195769), (973, 83901), (2919, 27967)]