80831331

素因数分解:

$3^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 60017949

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 107, 147, 189, 321, 441, 571, 749, 963, 1323, 1713, 2247, 2889, 3997, 5139, 5243, 6741, 11991, 15417, 15729, 20223, 27979, 35973, 47187, 61097, 83937, 107919, 141561, 183291, 251811, 427679, 549873, 755433, 1283037, 1649619, 2993753, 3849111, 8981259, 11547333, 26943777, 80831331]

約数ペア:

[(1, 80831331), (3, 26943777), (7, 11547333), (9, 8981259), (21, 3849111), (27, 2993753), (49, 1649619), (63, 1283037), (107, 755433), (147, 549873), (189, 427679), (321, 251811), (441, 183291), (571, 141561), (749, 107919), (963, 83937), (1323, 61097), (1713, 47187), (2247, 35973), (2889, 27979), (3997, 20223), (5139, 15729), (5243, 15417), (6741, 11991)]