15520329

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17419}}^1$

素因数の和:17442

約数の個数: 20

約数和(自身を含む): 25293840

約数和(自身を除く): 9773511

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 17419, 52257, 156771, 191609, 470313, 574827, 1410939, 1724481, 5173443, 15520329]

約数ペア:

[(1, 15520329), (3, 5173443), (9, 1724481), (11, 1410939), (27, 574827), (33, 470313), (81, 191609), (99, 156771), (297, 52257), (891, 17419)]