4178181

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 6641184

約数和(自身を除く): 2463003

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 661, 903, 1983, 2107, 4627, 6321, 13881, 28423, 32389, 85269, 97167, 198961, 596883, 1392727, 4178181]

約数ペア:

[(1, 4178181), (3, 1392727), (7, 596883), (21, 198961), (43, 97167), (49, 85269), (129, 32389), (147, 28423), (301, 13881), (661, 6321), (903, 4627), (1983, 2107)]