15666777

素因数分解:

$3^4\times 7^1\times {\mathrm{27631}}^1$

素因数の和:27650

約数の個数: 20

約数和(自身を含む): 26747776

約数和(自身を除く): 11080999

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27631, 82893, 193417, 248679, 580251, 746037, 1740753, 2238111, 5222259, 15666777]

約数ペア:

[(1, 15666777), (3, 5222259), (7, 2238111), (9, 1740753), (21, 746037), (27, 580251), (63, 248679), (81, 193417), (189, 82893), (567, 27631)]