16902639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1979}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 26666640

約数和(自身を除く): 9764001

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 1979, 2847, 5937, 8541, 17811, 25727, 77181, 144467, 231543, 433401, 1300203, 1878071, 5634213, 16902639]

約数ペア:

[(1, 16902639), (3, 5634213), (9, 1878071), (13, 1300203), (39, 433401), (73, 231543), (117, 144467), (219, 77181), (657, 25727), (949, 17811), (1979, 8541), (2847, 5937)]