28227381

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14771}}^1$

素因数の和:14801

約数の個数: 24

約数和(自身を含む): 47152224

約数和(自身を除く): 18924843

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14771, 44313, 103397, 192023, 310191, 576069, 723779, 1344161, 2171337, 4032483, 9409127, 28227381]

約数ペア:

[(1, 28227381), (3, 9409127), (7, 4032483), (13, 2171337), (21, 1344161), (39, 723779), (49, 576069), (91, 310191), (147, 192023), (273, 103397), (637, 44313), (1911, 14771)]