81549935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 107308800

約数和(自身を除く): 25758865

約数列:

[1, 5, 17, 47, 85, 137, 149, 235, 685, 745, 799, 2329, 2533, 3995, 6439, 7003, 11645, 12665, 20413, 32195, 35015, 102065, 109463, 119051, 347021, 547315, 595255, 959411, 1735105, 4797055, 16309987, 81549935]

約数ペア:

[(1, 81549935), (5, 16309987), (17, 4797055), (47, 1735105), (85, 959411), (137, 595255), (149, 547315), (235, 347021), (685, 119051), (745, 109463), (799, 102065), (2329, 35015), (2533, 32195), (3995, 20413), (6439, 12665), (7003, 11645)]