71147889

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{16573}}^1$

素因数の和:16638

約数の個数: 20

約数和(自身を含む): 108294516

約数和(自身を除く): 37146627

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 16573, 49719, 149157, 447471, 878369, 1342413, 2635107, 7905321, 23715963, 71147889]

約数ペア:

[(1, 71147889), (3, 23715963), (9, 7905321), (27, 2635107), (53, 1342413), (81, 878369), (159, 447471), (477, 149157), (1431, 49719), (4293, 16573)]