16188081

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 27808704

約数和(自身を除く): 11620623

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 197, 273, 301, 559, 591, 637, 903, 1379, 1677, 1911, 2107, 2561, 3913, 4137, 6321, 7683, 8471, 9653, 11739, 17927, 25413, 27391, 28959, 53781, 59297, 82173, 110123, 125489, 177891, 330369, 376467, 415079, 770861, 1245237, 2312583, 5396027, 16188081]

約数ペア:

[(1, 16188081), (3, 5396027), (7, 2312583), (13, 1245237), (21, 770861), (39, 415079), (43, 376467), (49, 330369), (91, 177891), (129, 125489), (147, 110123), (197, 82173), (273, 59297), (301, 53781), (559, 28959), (591, 27391), (637, 25413), (903, 17927), (1379, 11739), (1677, 9653), (1911, 8471), (2107, 7683), (2561, 6321), (3913, 4137)]