2855655

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 5593104

約数和(自身を除く): 2737449

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 641, 891, 1485, 1923, 3205, 4455, 5769, 7051, 9615, 17307, 21153, 28845, 35255, 51921, 63459, 86535, 105765, 190377, 259605, 317295, 571131, 951885, 2855655]

約数ペア:

[(1, 2855655), (3, 951885), (5, 571131), (9, 317295), (11, 259605), (15, 190377), (27, 105765), (33, 86535), (45, 63459), (55, 51921), (81, 35255), (99, 28845), (135, 21153), (165, 17307), (297, 9615), (405, 7051), (495, 5769), (641, 4455), (891, 3205), (1485, 1923)]