51507981

素因数分解:

$3^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 89316864

約数和(自身を除く): 37808883

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 243, 283, 321, 567, 749, 849, 963, 1701, 1981, 2247, 2547, 2889, 5943, 6741, 7641, 8667, 17829, 20223, 22923, 26001, 30281, 53487, 60669, 68769, 90843, 160461, 182007, 211967, 272529, 481383, 635901, 817587, 1907703, 2452761, 5723109, 7358283, 17169327, 51507981]

約数ペア:

[(1, 51507981), (3, 17169327), (7, 7358283), (9, 5723109), (21, 2452761), (27, 1907703), (63, 817587), (81, 635901), (107, 481383), (189, 272529), (243, 211967), (283, 182007), (321, 160461), (567, 90843), (749, 68769), (849, 60669), (963, 53487), (1701, 30281), (1981, 26001), (2247, 22923), (2547, 20223), (2889, 17829), (5943, 8667), (6741, 7641)]