820199379

素因数分解:

$3^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1\times {\mathrm{2129}}^1$

素因数の和:2870

約数の個数: 16

約数和(自身を含む): 1100409120

約数和(自身を除く): 280209741

約数列:

[1, 3, 281, 457, 843, 1371, 2129, 6387, 128417, 385251, 598249, 972953, 1794747, 2918859, 273399793, 820199379]

約数ペア:

[(1, 820199379), (3, 273399793), (281, 2918859), (457, 1794747), (843, 972953), (1371, 598249), (2129, 385251), (6387, 128417)]