81290167

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 99226512

約数和(自身を除く): 17936345

約数列:

[1, 7, 41, 43, 49, 287, 301, 941, 1763, 2009, 2107, 6587, 12341, 38581, 40463, 46109, 86387, 270067, 283241, 1658983, 1890469, 1982687, 11612881, 81290167]

約数ペア:

[(1, 81290167), (7, 11612881), (41, 1982687), (43, 1890469), (49, 1658983), (287, 283241), (301, 270067), (941, 86387), (1763, 46109), (2009, 40463), (2107, 38581), (6587, 12341)]