208891605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4337}}^1$

素因数の和:4390

約数の個数: 48

約数和(自身を含む): 381049920

約数和(自身を除く): 172158315

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 169, 195, 247, 285, 507, 741, 845, 1235, 2535, 3211, 3705, 4337, 9633, 13011, 16055, 21685, 48165, 56381, 65055, 82403, 169143, 247209, 281905, 412015, 732953, 845715, 1071239, 1236045, 2198859, 3213717, 3664765, 5356195, 10994295, 13926107, 16068585, 41778321, 69630535, 208891605]

約数ペア:

[(1, 208891605), (3, 69630535), (5, 41778321), (13, 16068585), (15, 13926107), (19, 10994295), (39, 5356195), (57, 3664765), (65, 3213717), (95, 2198859), (169, 1236045), (195, 1071239), (247, 845715), (285, 732953), (507, 412015), (741, 281905), (845, 247209), (1235, 169143), (2535, 82403), (3211, 65055), (3705, 56381), (4337, 48165), (9633, 21685), (13011, 16055)]