12388779

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5573}}^1$

素因数の和:5611

約数の個数: 24

約数和(自身を含む): 20289360

約数和(自身を除く): 7900581

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 5573, 16719, 50157, 72449, 105887, 217347, 317661, 652041, 952983, 1376531, 4129593, 12388779]

約数ペア:

[(1, 12388779), (3, 4129593), (9, 1376531), (13, 952983), (19, 652041), (39, 317661), (57, 217347), (117, 105887), (171, 72449), (247, 50157), (741, 16719), (2223, 5573)]