81375.0000000

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 10276416

約数和(自身を除く): 2404481

約数列:

[1, 5, 17, 37, 85, 185, 629, 2503, 3145, 12515, 42551, 92611, 212755, 463055, 1574387, 7871935]

約数ペア:

[(1, 7871935), (5, 1574387), (17, 463055), (37, 212755), (85, 92611), (185, 42551), (629, 12515), (2503, 3145)]