12980211

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9901}}^1$

素因数の和:9946

約数の個数: 16

約数和(自身を含む): 19011840

約数和(自身を除く): 6031629

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 9901, 29703, 188119, 227723, 564357, 683169, 4326737, 12980211]

約数ペア:

[(1, 12980211), (3, 4326737), (19, 683169), (23, 564357), (57, 227723), (69, 188119), (437, 29703), (1311, 9901)]