71384571

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{38317}}^1$

素因数の和:38352

約数の個数: 20

約数和(自身を含む): 111275472

約数和(自身を除く): 39890901

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 38317, 114951, 344853, 881291, 1034559, 2643873, 3103677, 7931619, 23794857, 71384571]

約数ペア:

[(1, 71384571), (3, 23794857), (9, 7931619), (23, 3103677), (27, 2643873), (69, 1034559), (81, 881291), (207, 344853), (621, 114951), (1863, 38317)]