291269727

素因数分解:

$3^2\times 7^1\times {\mathrm{4623329}}^1$

素因数の和:4623342

約数の個数: 12

約数和(自身を含む): 480826320

約数和(自身を除く): 189556593

約数列:

[1, 3, 7, 9, 21, 63, 4623329, 13869987, 32363303, 41609961, 97089909, 291269727]

約数ペア:

[(1, 291269727), (3, 97089909), (7, 41609961), (9, 32363303), (21, 13869987), (63, 4623329)]