457942387

素因数分解:

$7^3\times {\mathrm{67}}^1\times {\mathrm{19927}}^1$

素因数の和:20015

約数の個数: 16

約数和(自身を含む): 542041600

約数和(自身を除く): 84099213

約数列:

[1, 7, 49, 67, 343, 469, 3283, 19927, 22981, 139489, 976423, 1335109, 6834961, 9345763, 65420341, 457942387]

約数ペア:

[(1, 457942387), (7, 65420341), (49, 9345763), (67, 6834961), (343, 1335109), (469, 976423), (3283, 139489), (19927, 22981)]