12390021

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1019}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 20579520

約数和(自身を除く): 8189499

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1019, 1351, 1737, 3057, 4053, 7133, 9171, 12159, 21399, 64197, 196667, 590001, 1376669, 1770003, 4130007, 12390021]

約数ペア:

[(1, 12390021), (3, 4130007), (7, 1770003), (9, 1376669), (21, 590001), (63, 196667), (193, 64197), (579, 21399), (1019, 12159), (1351, 9171), (1737, 7133), (3057, 4053)]