200909907

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 325368576

約数和(自身を除く): 124458669

約数列:

[1, 3, 9, 11, 33, 71, 99, 101, 213, 283, 303, 639, 781, 849, 909, 1111, 2343, 2547, 3113, 3333, 7029, 7171, 9339, 9999, 20093, 21513, 28017, 28583, 60279, 64539, 78881, 85749, 180837, 221023, 236643, 257247, 314413, 663069, 709929, 943239, 1989207, 2029393, 2829717, 6088179, 18264537, 22323323, 66969969, 200909907]

約数ペア:

[(1, 200909907), (3, 66969969), (9, 22323323), (11, 18264537), (33, 6088179), (71, 2829717), (99, 2029393), (101, 1989207), (213, 943239), (283, 709929), (303, 663069), (639, 314413), (781, 257247), (849, 236643), (909, 221023), (1111, 180837), (2343, 85749), (2547, 78881), (3113, 64539), (3333, 60279), (7029, 28583), (7171, 28017), (9339, 21513), (9999, 20093)]