3997839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1823}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 5778432

約数和(自身を除く): 1780593

約数列:

[1, 3, 17, 43, 51, 129, 731, 1823, 2193, 5469, 30991, 78389, 92973, 235167, 1332613, 3997839]

約数ペア:

[(1, 3997839), (3, 1332613), (17, 235167), (43, 92973), (51, 78389), (129, 30991), (731, 5469), (1823, 2193)]