81993459

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 117411840

約数和(自身を除く): 35418381

約数列:

[1, 3, 23, 69, 83, 103, 139, 249, 309, 417, 1909, 2369, 3197, 5727, 7107, 8549, 9591, 11537, 14317, 25647, 34611, 42951, 196627, 265351, 329291, 589881, 796053, 987873, 1188311, 3564933, 27331153, 81993459]

約数ペア:

[(1, 81993459), (3, 27331153), (23, 3564933), (69, 1188311), (83, 987873), (103, 796053), (139, 589881), (249, 329291), (309, 265351), (417, 196627), (1909, 42951), (2369, 34611), (3197, 25647), (5727, 14317), (7107, 11537), (8549, 9591)]