18297333

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:978

約数の個数: 20

約数和(自身を含む): 27450060

約数和(自身を除く): 9152727

約数列:

[1, 3, 9, 27, 81, 397, 569, 1191, 1707, 3573, 5121, 10719, 15363, 32157, 46089, 225893, 677679, 2033037, 6099111, 18297333]

約数ペア:

[(1, 18297333), (3, 6099111), (9, 2033037), (27, 677679), (81, 225893), (397, 46089), (569, 32157), (1191, 15363), (1707, 10719), (3573, 5121)]