2552781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 4359168

約数和(自身を除く): 1806387

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 257, 301, 473, 771, 903, 1419, 1799, 2827, 3311, 5397, 8481, 9933, 11051, 19789, 33153, 59367, 77357, 121561, 232071, 364683, 850927, 2552781]

約数ペア:

[(1, 2552781), (3, 850927), (7, 364683), (11, 232071), (21, 121561), (33, 77357), (43, 59367), (77, 33153), (129, 19789), (231, 11051), (257, 9933), (301, 8481), (473, 5397), (771, 3311), (903, 2827), (1419, 1799)]