54687129

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 85223424

約数和(自身を除く): 30536295

約数列:

[1, 3, 7, 21, 103, 131, 193, 309, 393, 579, 721, 917, 1351, 2163, 2751, 4053, 13493, 19879, 25283, 40479, 59637, 75849, 94451, 139153, 176981, 283353, 417459, 530943, 2604149, 7812447, 18229043, 54687129]

約数ペア:

[(1, 54687129), (3, 18229043), (7, 7812447), (21, 2604149), (103, 530943), (131, 417459), (193, 283353), (309, 176981), (393, 139153), (579, 94451), (721, 75849), (917, 59637), (1351, 40479), (2163, 25283), (2751, 19879), (4053, 13493)]