399424179

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1729109}}^1$

素因数の和:1729130

約数の個数: 16

約数和(自身を含む): 663978240

約数和(自身を除く): 264554061

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1729109, 5187327, 12103763, 19020199, 36311289, 57060597, 133141393, 399424179]

約数ペア:

[(1, 399424179), (3, 133141393), (7, 57060597), (11, 36311289), (21, 19020199), (33, 12103763), (77, 5187327), (231, 1729109)]