53191971

素因数分解:

$3^5\times 7^1\times {\mathrm{31271}}^1$

素因数の和:31293

約数の個数: 24

約数和(自身を含む): 91064064

約数和(自身を除く): 37872093

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 31271, 93813, 218897, 281439, 656691, 844317, 1970073, 2532951, 5910219, 7598853, 17730657, 53191971]

約数ペア:

[(1, 53191971), (3, 17730657), (7, 7598853), (9, 5910219), (21, 2532951), (27, 1970073), (63, 844317), (81, 656691), (189, 281439), (243, 218897), (567, 93813), (1701, 31271)]