51438807

素因数分解:

$3^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 88409376

約数和(自身を除く): 36970569

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 257, 353, 567, 771, 1059, 1799, 2313, 2471, 3177, 5397, 6939, 7413, 9531, 16191, 20817, 22239, 28593, 48573, 66717, 90721, 145719, 200151, 272163, 635047, 816489, 1905141, 2449467, 5715423, 7348401, 17146269, 51438807]

約数ペア:

[(1, 51438807), (3, 17146269), (7, 7348401), (9, 5715423), (21, 2449467), (27, 1905141), (63, 816489), (81, 635047), (189, 272163), (257, 200151), (353, 145719), (567, 90721), (771, 66717), (1059, 48573), (1799, 28593), (2313, 22239), (2471, 20817), (3177, 16191), (5397, 9531), (6939, 7413)]