277796211

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{27967}}^1$

素因数の和:28031

約数の個数: 32

約数和(自身を含む): 472547328

約数和(自身を除く): 194751117

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 3311, 9933, 27967, 83901, 195769, 307637, 587307, 922911, 1202581, 2153459, 3607743, 6460377, 8418067, 13228391, 25254201, 39685173, 92598737, 277796211]

約数ペア:

[(1, 277796211), (3, 92598737), (7, 39685173), (11, 25254201), (21, 13228391), (33, 8418067), (43, 6460377), (77, 3607743), (129, 2153459), (231, 1202581), (301, 922911), (473, 587307), (903, 307637), (1419, 195769), (3311, 83901), (9933, 27967)]