12999933

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8447}}^1$

素因数の和:8478

約数の個数: 20

約数和(自身を含む): 20444160

約数和(自身を除く): 7444227

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8447, 25341, 76023, 160493, 228069, 481479, 684207, 1444437, 4333311, 12999933]

約数ペア:

[(1, 12999933), (3, 4333311), (9, 1444437), (19, 684207), (27, 481479), (57, 228069), (81, 160493), (171, 76023), (513, 25341), (1539, 8447)]