51897825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 107784768

約数和(自身を除く): 55886943

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 83, 105, 175, 225, 249, 315, 397, 415, 525, 581, 747, 1191, 1245, 1575, 1743, 1985, 2075, 2779, 2905, 3573, 3735, 5229, 5955, 6225, 8337, 8715, 9925, 13895, 14525, 17865, 18675, 25011, 26145, 29775, 32951, 41685, 43575, 69475, 89325, 98853, 125055, 130725, 164755, 208425, 230657, 296559, 494265, 625275, 691971, 823775, 1153285, 1482795, 2075913, 2471325, 3459855, 5766425, 7413975, 10379565, 17299275, 51897825]

約数ペア:

[(1, 51897825), (3, 17299275), (5, 10379565), (7, 7413975), (9, 5766425), (15, 3459855), (21, 2471325), (25, 2075913), (35, 1482795), (45, 1153285), (63, 823775), (75, 691971), (83, 625275), (105, 494265), (175, 296559), (225, 230657), (249, 208425), (315, 164755), (397, 130725), (415, 125055), (525, 98853), (581, 89325), (747, 69475), (1191, 43575), (1245, 41685), (1575, 32951), (1743, 29775), (1985, 26145), (2075, 25011), (2779, 18675), (2905, 17865), (3573, 14525), (3735, 13895), (5229, 9925), (5955, 8715), (6225, 8337)]