2218995

素因数分解:

$3^4\times 5^1\times {\mathrm{5479}}^1$

素因数の和:5496

約数の個数: 20

約数和(自身を含む): 3978480

約数和(自身を除く): 1759485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5479, 16437, 27395, 49311, 82185, 147933, 246555, 443799, 739665, 2218995]

約数ペア:

[(1, 2218995), (3, 739665), (5, 443799), (9, 246555), (15, 147933), (27, 82185), (45, 49311), (81, 27395), (135, 16437), (405, 5479)]