81695705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 121228800

約数和(自身を除く): 39533095

約数列:

[1, 5, 7, 13, 35, 65, 91, 409, 439, 455, 2045, 2195, 2863, 3073, 5317, 5707, 14315, 15365, 26585, 28535, 37219, 39949, 179551, 186095, 199745, 897755, 1256857, 2334163, 6284285, 11670815, 16339141, 81695705]

約数ペア:

[(1, 81695705), (5, 16339141), (7, 11670815), (13, 6284285), (35, 2334163), (65, 1256857), (91, 897755), (409, 199745), (439, 186095), (455, 179551), (2045, 39949), (2195, 37219), (2863, 28535), (3073, 26585), (5317, 15365), (5707, 14315)]