2208855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1217}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 3887856

約数和(自身を除く): 1679001

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1217, 1815, 3651, 6085, 13387, 18255, 40161, 66935, 147257, 200805, 441771, 736285, 2208855]

約数ペア:

[(1, 2208855), (3, 736285), (5, 441771), (11, 200805), (15, 147257), (33, 66935), (55, 40161), (121, 18255), (165, 13387), (363, 6085), (605, 3651), (1217, 1815)]