26440449

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 42427152

約数和(自身を除く): 15986703

約数列:

[1, 3, 7, 21, 41, 49, 107, 123, 147, 287, 321, 749, 861, 1681, 2009, 2247, 4387, 5043, 5243, 6027, 11767, 13161, 15729, 30709, 35301, 82369, 92127, 179867, 214963, 247107, 539601, 644889, 1259069, 3777207, 8813483, 26440449]

約数ペア:

[(1, 26440449), (3, 8813483), (7, 3777207), (21, 1259069), (41, 644889), (49, 539601), (107, 247107), (123, 214963), (147, 179867), (287, 92127), (321, 82369), (749, 35301), (861, 30709), (1681, 15729), (2009, 13161), (2247, 11767), (4387, 6027), (5043, 5243)]