291212733

素因数分解:

$3^1\times 7^2\times {\mathrm{997}}^1\times {\mathrm{1987}}^1$

素因数の和:3001

約数の個数: 24

約数和(自身を含む): 452357472

約数和(自身を除く): 161144739

約数列:

[1, 3, 7, 21, 49, 147, 997, 1987, 2991, 5961, 6979, 13909, 20937, 41727, 48853, 97363, 146559, 292089, 1981039, 5943117, 13867273, 41601819, 97070911, 291212733]

約数ペア:

[(1, 291212733), (3, 97070911), (7, 41601819), (21, 13867273), (49, 5943117), (147, 1981039), (997, 292089), (1987, 146559), (2991, 97363), (5961, 48853), (6979, 41727), (13909, 20937)]