15965667

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3719}}^1$

素因数の和:3784

約数の個数: 20

約数和(自身を含む): 24306480

約数和(自身を除く): 8340813

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3719, 4293, 11157, 33471, 100413, 197107, 301239, 591321, 1773963, 5321889, 15965667]

約数ペア:

[(1, 15965667), (3, 5321889), (9, 1773963), (27, 591321), (53, 301239), (81, 197107), (159, 100413), (477, 33471), (1431, 11157), (3719, 4293)]