4089123

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2688

約数の個数: 20

約数和(自身を含む): 6432360

約数和(自身を除く): 2343237

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 2657, 7971, 23913, 50483, 71739, 151449, 215217, 454347, 1363041, 4089123]

約数ペア:

[(1, 4089123), (3, 1363041), (9, 454347), (19, 215217), (27, 151449), (57, 71739), (81, 50483), (171, 23913), (513, 7971), (1539, 2657)]