2181627

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 4021920

約数和(自身を除く): 1840293

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 97, 119, 147, 153, 189, 291, 357, 441, 459, 679, 833, 873, 1071, 1323, 1649, 2037, 2499, 2619, 3213, 4753, 4947, 6111, 7497, 11543, 14259, 14841, 18333, 22491, 34629, 42777, 44523, 80801, 103887, 128331, 242403, 311661, 727209, 2181627]

約数ペア:

[(1, 2181627), (3, 727209), (7, 311661), (9, 242403), (17, 128331), (21, 103887), (27, 80801), (49, 44523), (51, 42777), (63, 34629), (97, 22491), (119, 18333), (147, 14841), (153, 14259), (189, 11543), (291, 7497), (357, 6111), (441, 4947), (459, 4753), (679, 3213), (833, 2619), (873, 2499), (1071, 2037), (1323, 1649)]