2017889139

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{128291}}^1$

素因数の和:128415

約数の個数: 24

約数和(自身を含む): 3159062208

約数和(自身を除く): 1141173069

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729, 128291, 384873, 898037, 2694111, 6286259, 13727137, 18858777, 41181411, 96089959, 288269877, 672629713, 2017889139]

約数ペア:

[(1, 2017889139), (3, 672629713), (7, 288269877), (21, 96089959), (49, 41181411), (107, 18858777), (147, 13727137), (321, 6286259), (749, 2694111), (2247, 898037), (5243, 384873), (15729, 128291)]