407581993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{104161}}^1$

素因数の和:104224

約数の個数: 16

約数和(自身を含む): 513310336

約数和(自身を除く): 105728343

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 104161, 729127, 1354093, 4478923, 9478651, 31352461, 58225999, 407581993]

約数ペア:

[(1, 407581993), (7, 58225999), (13, 31352461), (43, 9478651), (91, 4478923), (301, 1354093), (559, 729127), (3913, 104161)]