2201985

素因数分解:

$3^4\times 5^1\times {\mathrm{5437}}^1$

素因数の和:5454

約数の個数: 20

約数和(自身を含む): 3947988

約数和(自身を除く): 1746003

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5437, 16311, 27185, 48933, 81555, 146799, 244665, 440397, 733995, 2201985]

約数ペア:

[(1, 2201985), (3, 733995), (5, 440397), (9, 244665), (15, 146799), (27, 81555), (45, 48933), (81, 27185), (135, 16311), (405, 5437)]