20565352521

素因数分解:

$3^4\times 7^1\times {\mathrm{3541}}^1\times {\mathrm{10243}}^1$

素因数の和:13803

約数の個数: 40

約数和(自身を含む): 35123152064

約数和(自身を除く): 14557799543

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3541, 10243, 10623, 24787, 30729, 31869, 71701, 74361, 92187, 95607, 215103, 223083, 276561, 286821, 645309, 669249, 829683, 1935927, 2007747, 5807781, 36270463, 108811389, 253893241, 326434167, 761679723, 979302501, 2285039169, 2937907503, 6855117507, 20565352521]

約数ペア:

[(1, 20565352521), (3, 6855117507), (7, 2937907503), (9, 2285039169), (21, 979302501), (27, 761679723), (63, 326434167), (81, 253893241), (189, 108811389), (567, 36270463), (3541, 5807781), (10243, 2007747), (10623, 1935927), (24787, 829683), (30729, 669249), (31869, 645309), (71701, 286821), (74361, 276561), (92187, 223083), (95607, 215103)]