2105805219

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1\times {\mathrm{1559}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 3242004480

約数和(自身を除く): 1136199261

約数列:

[1, 3, 7, 21, 131, 393, 491, 917, 1473, 1559, 2751, 3437, 4677, 10311, 10913, 32739, 64321, 192963, 204229, 450247, 612687, 765469, 1350741, 1429603, 2296407, 4288809, 5358283, 16074849, 100276439, 300829317, 701935073, 2105805219]

約数ペア:

[(1, 2105805219), (3, 701935073), (7, 300829317), (21, 100276439), (131, 16074849), (393, 5358283), (491, 4288809), (917, 2296407), (1473, 1429603), (1559, 1350741), (2751, 765469), (3437, 612687), (4677, 450247), (10311, 204229), (10913, 192963), (32739, 64321)]