85565571

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 148313088

約数和(自身を除く): 62747517

約数列:

[1, 3, 7, 13, 21, 37, 39, 43, 91, 111, 129, 197, 259, 273, 301, 481, 559, 591, 777, 903, 1379, 1443, 1591, 1677, 2561, 3367, 3913, 4137, 4773, 7289, 7683, 8471, 10101, 11137, 11739, 17927, 20683, 21867, 25413, 33411, 51023, 53781, 59297, 62049, 94757, 110123, 144781, 153069, 177891, 284271, 313427, 330369, 434343, 663299, 770861, 940281, 1989897, 2193989, 2312583, 4074551, 6581967, 12223653, 28521857, 85565571]

約数ペア:

[(1, 85565571), (3, 28521857), (7, 12223653), (13, 6581967), (21, 4074551), (37, 2312583), (39, 2193989), (43, 1989897), (91, 940281), (111, 770861), (129, 663299), (197, 434343), (259, 330369), (273, 313427), (301, 284271), (481, 177891), (559, 153069), (591, 144781), (777, 110123), (903, 94757), (1379, 62049), (1443, 59297), (1591, 53781), (1677, 51023), (2561, 33411), (3367, 25413), (3913, 21867), (4137, 20683), (4773, 17927), (7289, 11739), (7683, 11137), (8471, 10101)]