28268492721

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1\times {\mathrm{90289}}^1$

素因数の和:91193

約数の個数: 32

約数和(自身を含む): 45662181120

約数和(自身を除く): 17393688399

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 877, 2631, 6139, 14909, 18417, 44727, 90289, 104363, 270867, 313089, 632023, 1534913, 1896069, 4604739, 10744391, 32233173, 79183453, 237550359, 554284171, 1346118701, 1662852513, 4038356103, 9422830907, 28268492721]

約数ペア:

[(1, 28268492721), (3, 9422830907), (7, 4038356103), (17, 1662852513), (21, 1346118701), (51, 554284171), (119, 237550359), (357, 79183453), (877, 32233173), (2631, 10744391), (6139, 4604739), (14909, 1896069), (18417, 1534913), (44727, 632023), (90289, 313089), (104363, 270867)]