210005775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{133337}}^1$

素因数の和:133360

約数の個数: 36

約数和(自身を含む): 429881712

約数和(自身を除く): 219875937

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 133337, 400011, 666685, 933359, 1200033, 2000055, 2800077, 3333425, 4666795, 6000165, 8400231, 10000275, 14000385, 23333975, 30000825, 42001155, 70001925, 210005775]

約数ペア:

[(1, 210005775), (3, 70001925), (5, 42001155), (7, 30000825), (9, 23333975), (15, 14000385), (21, 10000275), (25, 8400231), (35, 6000165), (45, 4666795), (63, 3333425), (75, 2800077), (105, 2000055), (175, 1200033), (225, 933359), (315, 666685), (525, 400011), (1575, 133337)]