206266431

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{19763}}^1$

素因数の和:19851

約数の個数: 24

約数和(自身を含む): 324445824

約数和(自身を除く): 118179393

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 19763, 59289, 138341, 415023, 968387, 1403173, 2905161, 4209519, 9822211, 29466633, 68755477, 206266431]

約数ペア:

[(1, 206266431), (3, 68755477), (7, 29466633), (21, 9822211), (49, 4209519), (71, 2905161), (147, 1403173), (213, 968387), (497, 415023), (1491, 138341), (3479, 59289), (10437, 19763)]