2220615

素因数分解:

$3^4\times 5^1\times {\mathrm{5483}}^1$

素因数の和:5500

約数の個数: 20

約数和(自身を含む): 3981384

約数和(自身を除く): 1760769

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5483, 16449, 27415, 49347, 82245, 148041, 246735, 444123, 740205, 2220615]

約数ペア:

[(1, 2220615), (3, 740205), (5, 444123), (9, 246735), (15, 148041), (27, 82245), (45, 49347), (81, 27415), (135, 16449), (405, 5483)]