3991991

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 12

約数和(自身を含む): 4361472

約数和(自身を除く): 369481

約数列:

[1, 17, 43, 127, 731, 1849, 2159, 5461, 31433, 92837, 234823, 3991991]

約数ペア:

[(1, 3991991), (17, 234823), (43, 92837), (127, 31433), (731, 5461), (1849, 2159)]