81853521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 119242368

約数和(自身を除く): 37388847

約数列:

[1, 3, 17, 51, 61, 83, 183, 249, 317, 951, 1037, 1411, 3111, 4233, 5063, 5389, 15189, 16167, 19337, 26311, 58011, 78933, 86071, 258213, 328729, 447287, 986187, 1341861, 1604971, 4814913, 27284507, 81853521]

約数ペア:

[(1, 81853521), (3, 27284507), (17, 4814913), (51, 1604971), (61, 1341861), (83, 986187), (183, 447287), (249, 328729), (317, 258213), (951, 86071), (1037, 78933), (1411, 58011), (3111, 26311), (4233, 19337), (5063, 16167), (5389, 15189)]