51793245

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 106063776

約数和(自身を除く): 54270531

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 83, 105, 147, 245, 249, 283, 315, 415, 441, 581, 735, 747, 849, 1245, 1415, 1743, 1981, 2205, 2547, 2905, 3735, 4067, 4245, 5229, 5943, 8715, 9905, 12201, 12735, 13867, 17829, 20335, 23489, 26145, 29715, 36603, 41601, 61005, 69335, 70467, 89145, 117445, 124803, 164423, 183015, 208005, 211401, 352335, 493269, 624015, 822115, 1057005, 1150961, 1479807, 2466345, 3452883, 5754805, 7399035, 10358649, 17264415, 51793245]

約数ペア:

[(1, 51793245), (3, 17264415), (5, 10358649), (7, 7399035), (9, 5754805), (15, 3452883), (21, 2466345), (35, 1479807), (45, 1150961), (49, 1057005), (63, 822115), (83, 624015), (105, 493269), (147, 352335), (245, 211401), (249, 208005), (283, 183015), (315, 164423), (415, 124803), (441, 117445), (581, 89145), (735, 70467), (747, 69335), (849, 61005), (1245, 41601), (1415, 36603), (1743, 29715), (1981, 26145), (2205, 23489), (2547, 20335), (2905, 17829), (3735, 13867), (4067, 12735), (4245, 12201), (5229, 9905), (5943, 8715)]