171940041

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{209939}}^1$

素因数の和:209965

約数の個数: 24

約数和(自身を含む): 305672640

約数和(自身を除く): 133732599

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 209939, 629817, 1469573, 1889451, 2729207, 4408719, 8187621, 13226157, 19104449, 24562863, 57313347, 171940041]

約数ペア:

[(1, 171940041), (3, 57313347), (7, 24562863), (9, 19104449), (13, 13226157), (21, 8187621), (39, 4408719), (63, 2729207), (91, 1889451), (117, 1469573), (273, 629817), (819, 209939)]