51891717

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 75427200

約数和(自身を除く): 23535483

約数列:

[1, 3, 19, 53, 57, 89, 159, 193, 267, 579, 1007, 1691, 3021, 3667, 4717, 5073, 10229, 11001, 14151, 17177, 30687, 51531, 89623, 194351, 268869, 326363, 583053, 910381, 979089, 2731143, 17297239, 51891717]

約数ペア:

[(1, 51891717), (3, 17297239), (19, 2731143), (53, 979089), (57, 910381), (89, 583053), (159, 326363), (193, 268869), (267, 194351), (579, 89623), (1007, 51531), (1691, 30687), (3021, 17177), (3667, 14151), (4717, 11001), (5073, 10229)]