12501981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 19206720

約数和(自身を除く): 6704739

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 647, 1017, 1941, 2147, 5823, 6441, 12293, 19323, 36879, 73111, 110637, 219333, 657999, 1389109, 4167327, 12501981]

約数ペア:

[(1, 12501981), (3, 4167327), (9, 1389109), (19, 657999), (57, 219333), (113, 110637), (171, 73111), (339, 36879), (647, 19323), (1017, 12293), (1941, 6441), (2147, 5823)]