81271659

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{133451}}^1$

素因数の和:133490

約数の個数: 16

約数和(自身を含む): 128113920

約数和(自身を除く): 46842261

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 133451, 400353, 934157, 2802471, 3870079, 11610237, 27090553, 81271659]

約数ペア:

[(1, 81271659), (3, 27090553), (7, 11610237), (21, 3870079), (29, 2802471), (87, 934157), (203, 400353), (609, 133451)]