2890503

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 5381376

約数和(自身を除く): 2490873

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 97, 99, 129, 231, 291, 301, 387, 473, 679, 693, 873, 903, 1067, 1419, 2037, 2709, 3201, 3311, 4171, 4257, 6111, 7469, 9603, 9933, 12513, 22407, 29197, 29799, 37539, 45881, 67221, 87591, 137643, 262773, 321167, 412929, 963501, 2890503]

約数ペア:

[(1, 2890503), (3, 963501), (7, 412929), (9, 321167), (11, 262773), (21, 137643), (33, 87591), (43, 67221), (63, 45881), (77, 37539), (97, 29799), (99, 29197), (129, 22407), (231, 12513), (291, 9933), (301, 9603), (387, 7469), (473, 6111), (679, 4257), (693, 4171), (873, 3311), (903, 3201), (1067, 2709), (1419, 2037)]