9991131

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7621}}^1$

素因数の和:7666

約数の個数: 16

約数和(自身を含む): 14634240

約数和(自身を除く): 4643109

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 7621, 22863, 144799, 175283, 434397, 525849, 3330377, 9991131]

約数ペア:

[(1, 9991131), (3, 3330377), (19, 525849), (23, 434397), (57, 175283), (69, 144799), (437, 22863), (1311, 7621)]