7993881

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 13278720

約数和(自身を除く): 5284839

約数列:

[1, 3, 7, 9, 21, 63, 223, 569, 669, 1561, 1707, 2007, 3983, 4683, 5121, 11949, 14049, 35847, 126887, 380661, 888209, 1141983, 2664627, 7993881]

約数ペア:

[(1, 7993881), (3, 2664627), (7, 1141983), (9, 888209), (21, 380661), (63, 126887), (223, 35847), (569, 14049), (669, 11949), (1561, 5121), (1707, 4683), (2007, 3983)]