12720367

素因数分解:

${\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:555

約数の個数: 16

約数和(自身を含む): 14757120

約数和(自身を除く): 2036753

約数列:

[1, 11, 19, 121, 209, 503, 1331, 2299, 5533, 9557, 25289, 60863, 105127, 669493, 1156397, 12720367]

約数ペア:

[(1, 12720367), (11, 1156397), (19, 669493), (121, 105127), (209, 60863), (503, 25289), (1331, 9557), (2299, 5533)]