28918071

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 57028608

約数和(自身を除く): 28110537

約数列:

[1, 3, 7, 9, 13, 17, 21, 31, 39, 51, 63, 67, 91, 93, 117, 119, 153, 201, 217, 221, 273, 279, 357, 403, 469, 527, 603, 651, 663, 819, 871, 1071, 1139, 1209, 1407, 1547, 1581, 1953, 1989, 2077, 2613, 2821, 3417, 3627, 3689, 4221, 4641, 4743, 6097, 6231, 6851, 7839, 7973, 8463, 10251, 11067, 13923, 14539, 14807, 18291, 18693, 20553, 23919, 25389, 27001, 33201, 35309, 43617, 44421, 47957, 54873, 61659, 71757, 81003, 103649, 105927, 130851, 133263, 143871, 189007, 243009, 247163, 310947, 317781, 431613, 459017, 567021, 741489, 932841, 1377051, 1701063, 2224467, 3213119, 4131153, 9639357, 28918071]

約数ペア:

[(1, 28918071), (3, 9639357), (7, 4131153), (9, 3213119), (13, 2224467), (17, 1701063), (21, 1377051), (31, 932841), (39, 741489), (51, 567021), (63, 459017), (67, 431613), (91, 317781), (93, 310947), (117, 247163), (119, 243009), (153, 189007), (201, 143871), (217, 133263), (221, 130851), (273, 105927), (279, 103649), (357, 81003), (403, 71757), (469, 61659), (527, 54873), (603, 47957), (651, 44421), (663, 43617), (819, 35309), (871, 33201), (1071, 27001), (1139, 25389), (1209, 23919), (1407, 20553), (1547, 18693), (1581, 18291), (1953, 14807), (1989, 14539), (2077, 13923), (2613, 11067), (2821, 10251), (3417, 8463), (3627, 7973), (3689, 7839), (4221, 6851), (4641, 6231), (4743, 6097)]