642777981

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1\times {\mathrm{2927}}^1$

素因数の和:4032

約数の個数: 16

約数和(自身を含む): 870248448

約数和(自身を除く): 227470467

約数列:

[1, 3, 71, 213, 1031, 2927, 3093, 8781, 73201, 207817, 219603, 623451, 3017737, 9053211, 214259327, 642777981]

約数ペア:

[(1, 642777981), (3, 214259327), (71, 9053211), (213, 3017737), (1031, 623451), (2927, 219603), (3093, 207817), (8781, 73201)]