397304817

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1455329}}^1$

素因数の和:1455352

約数の個数: 16

約数和(自身を含む): 651987840

約数和(自身を除く): 254683023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1455329, 4365987, 10187303, 18919277, 30561909, 56757831, 132434939, 397304817]

約数ペア:

[(1, 397304817), (3, 132434939), (7, 56757831), (13, 30561909), (21, 18919277), (39, 10187303), (91, 4365987), (273, 1455329)]