12811953

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 21888000

約数和(自身を除く): 9076047

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 1499, 2849, 4497, 8547, 10493, 16489, 31479, 49467, 55463, 115423, 166389, 346269, 388241, 610093, 1164723, 1830279, 4270651, 12811953]

約数ペア:

[(1, 12811953), (3, 4270651), (7, 1830279), (11, 1164723), (21, 610093), (33, 388241), (37, 346269), (77, 166389), (111, 115423), (231, 55463), (259, 49467), (407, 31479), (777, 16489), (1221, 10493), (1499, 8547), (2849, 4497)]