68605725

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 116992512

約数和(自身を除く): 48386787

約数列:

[1, 3, 5, 15, 25, 75, 83, 103, 107, 249, 309, 321, 415, 515, 535, 1245, 1545, 1605, 2075, 2575, 2675, 6225, 7725, 8025, 8549, 8881, 11021, 25647, 26643, 33063, 42745, 44405, 55105, 128235, 133215, 165315, 213725, 222025, 275525, 641175, 666075, 826575, 914743, 2744229, 4573715, 13721145, 22868575, 68605725]

約数ペア:

[(1, 68605725), (3, 22868575), (5, 13721145), (15, 4573715), (25, 2744229), (75, 914743), (83, 826575), (103, 666075), (107, 641175), (249, 275525), (309, 222025), (321, 213725), (415, 165315), (515, 133215), (535, 128235), (1245, 55105), (1545, 44405), (1605, 42745), (2075, 33063), (2575, 26643), (2675, 25647), (6225, 11021), (7725, 8881), (8025, 8549)]