201257217

素因数分解:

$3^6\times 7^1\times {\mathrm{39439}}^1$

素因数の和:39464

約数の個数: 28

約数和(自身を含む): 344863360

約数和(自身を除く): 143606143

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 39439, 118317, 276073, 354951, 828219, 1064853, 2484657, 3194559, 7453971, 9583677, 22361913, 28751031, 67085739, 201257217]

約数ペア:

[(1, 201257217), (3, 67085739), (7, 28751031), (9, 22361913), (21, 9583677), (27, 7453971), (63, 3194559), (81, 2484657), (189, 1064853), (243, 828219), (567, 354951), (729, 276073), (1701, 118317), (5103, 39439)]