2831031

素因数分解:

$3^4\times 7^1\times {\mathrm{4993}}^1$

素因数の和:5012

約数の個数: 20

約数和(自身を含む): 4834192

約数和(自身を除く): 2003161

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4993, 14979, 34951, 44937, 104853, 134811, 314559, 404433, 943677, 2831031]

約数ペア:

[(1, 2831031), (3, 943677), (7, 404433), (9, 314559), (21, 134811), (27, 104853), (63, 44937), (81, 34951), (189, 14979), (567, 4993)]