18327705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 32185728

約数和(自身を除く): 13858023

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 401, 831, 1203, 1385, 2005, 3047, 4155, 4411, 6015, 9141, 13233, 15235, 22055, 45705, 66165, 111077, 333231, 555385, 1221847, 1666155, 3665541, 6109235, 18327705]

約数ペア:

[(1, 18327705), (3, 6109235), (5, 3665541), (11, 1666155), (15, 1221847), (33, 555385), (55, 333231), (165, 111077), (277, 66165), (401, 45705), (831, 22055), (1203, 15235), (1385, 13233), (2005, 9141), (3047, 6015), (4155, 4411)]