12864621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55691}}^1$

素因数の和:55712

約数の個数: 16

約数和(自身を含む): 21385728

約数和(自身を除く): 8521107

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 55691, 167073, 389837, 612601, 1169511, 1837803, 4288207, 12864621]

約数ペア:

[(1, 12864621), (3, 4288207), (7, 1837803), (11, 1169511), (21, 612601), (33, 389837), (77, 167073), (231, 55691)]