51686817

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 96066432

約数和(自身を除く): 44379615

約数列:

[1, 3, 7, 13, 17, 21, 37, 39, 43, 49, 51, 91, 111, 119, 129, 147, 221, 259, 273, 301, 357, 481, 559, 629, 637, 663, 731, 777, 833, 903, 1443, 1547, 1591, 1677, 1813, 1887, 1911, 2107, 2193, 2499, 3367, 3913, 4403, 4641, 4773, 5117, 5439, 6321, 8177, 9503, 10101, 10829, 11137, 11739, 13209, 15351, 20683, 23569, 24531, 27047, 27391, 28509, 30821, 32487, 33411, 35819, 57239, 62049, 66521, 70707, 77959, 81141, 82173, 92463, 107457, 144781, 171717, 189329, 199563, 233877, 351611, 400673, 434343, 465647, 567987, 1013467, 1054833, 1202019, 1325303, 1396941, 2461277, 3040401, 3975909, 7383831, 17228939, 51686817]

約数ペア:

[(1, 51686817), (3, 17228939), (7, 7383831), (13, 3975909), (17, 3040401), (21, 2461277), (37, 1396941), (39, 1325303), (43, 1202019), (49, 1054833), (51, 1013467), (91, 567987), (111, 465647), (119, 434343), (129, 400673), (147, 351611), (221, 233877), (259, 199563), (273, 189329), (301, 171717), (357, 144781), (481, 107457), (559, 92463), (629, 82173), (637, 81141), (663, 77959), (731, 70707), (777, 66521), (833, 62049), (903, 57239), (1443, 35819), (1547, 33411), (1591, 32487), (1677, 30821), (1813, 28509), (1887, 27391), (1911, 27047), (2107, 24531), (2193, 23569), (2499, 20683), (3367, 15351), (3913, 13209), (4403, 11739), (4641, 11137), (4773, 10829), (5117, 10101), (5439, 9503), (6321, 8177)]