201575205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20269}}^1$

素因数の和:20310

約数の個数: 48

約数和(自身を含む): 398427120

約数和(自身を除く): 196851915

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 20269, 60807, 101345, 182421, 263497, 304035, 344573, 790491, 912105, 1033719, 1317485, 1722865, 2371473, 3101157, 3952455, 4479449, 5168595, 11857365, 13438347, 15505785, 22397245, 40315041, 67191735, 201575205]

約数ペア:

[(1, 201575205), (3, 67191735), (5, 40315041), (9, 22397245), (13, 15505785), (15, 13438347), (17, 11857365), (39, 5168595), (45, 4479449), (51, 3952455), (65, 3101157), (85, 2371473), (117, 1722865), (153, 1317485), (195, 1033719), (221, 912105), (255, 790491), (585, 344573), (663, 304035), (765, 263497), (1105, 182421), (1989, 101345), (3315, 60807), (9945, 20269)]