2189835

素因数分解:

$3^4\times 5^1\times {\mathrm{5407}}^1$

素因数の和:5424

約数の個数: 20

約数和(自身を含む): 3926208

約数和(自身を除く): 1736373

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5407, 16221, 27035, 48663, 81105, 145989, 243315, 437967, 729945, 2189835]

約数ペア:

[(1, 2189835), (3, 729945), (5, 437967), (9, 243315), (15, 145989), (27, 81105), (45, 48663), (81, 27035), (135, 16221), (405, 5407)]