2240055

素因数分解:

$3^4\times 5^1\times {\mathrm{5531}}^1$

素因数の和:5548

約数の個数: 20

約数和(自身を含む): 4016232

約数和(自身を除く): 1776177

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5531, 16593, 27655, 49779, 82965, 149337, 248895, 448011, 746685, 2240055]

約数ペア:

[(1, 2240055), (3, 746685), (5, 448011), (9, 248895), (15, 149337), (27, 82965), (45, 49779), (81, 27655), (135, 16593), (405, 5531)]