16280187

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 28089600

約数和(自身を除く): 11809413

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 121, 129, 149, 231, 301, 363, 447, 473, 847, 903, 1043, 1419, 1639, 2541, 3129, 3311, 4917, 5203, 6407, 9933, 11473, 15609, 18029, 19221, 34419, 36421, 44849, 54087, 70477, 109263, 126203, 134547, 211431, 378609, 493339, 775247, 1480017, 2325741, 5426729, 16280187]

約数ペア:

[(1, 16280187), (3, 5426729), (7, 2325741), (11, 1480017), (21, 775247), (33, 493339), (43, 378609), (77, 211431), (121, 134547), (129, 126203), (149, 109263), (231, 70477), (301, 54087), (363, 44849), (447, 36421), (473, 34419), (847, 19221), (903, 18029), (1043, 15609), (1419, 11473), (1639, 9933), (2541, 6407), (3129, 5203), (3311, 4917)]