11980269

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 19868160

約数和(自身を除く): 7887891

約数列:

[1, 3, 7, 9, 21, 63, 397, 479, 1191, 1437, 2779, 3353, 3573, 4311, 8337, 10059, 25011, 30177, 190163, 570489, 1331141, 1711467, 3993423, 11980269]

約数ペア:

[(1, 11980269), (3, 3993423), (7, 1711467), (9, 1331141), (21, 570489), (63, 190163), (397, 30177), (479, 25011), (1191, 10059), (1437, 8337), (2779, 4311), (3353, 3573)]