27581103

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 48688640

約数和(自身を除く): 21107537

約数列:

[1, 3, 9, 11, 19, 31, 33, 43, 57, 93, 99, 121, 129, 171, 209, 279, 341, 363, 387, 473, 589, 627, 817, 1023, 1089, 1333, 1419, 1767, 1881, 2299, 2451, 3069, 3751, 3999, 4257, 5203, 5301, 6479, 6897, 7353, 8987, 11253, 11997, 14663, 15609, 19437, 20691, 25327, 26961, 33759, 43989, 46827, 58311, 71269, 75981, 80883, 98857, 131967, 161293, 213807, 227943, 278597, 296571, 483879, 641421, 835791, 889713, 1451637, 2507373, 3064567, 9193701, 27581103]

約数ペア:

[(1, 27581103), (3, 9193701), (9, 3064567), (11, 2507373), (19, 1451637), (31, 889713), (33, 835791), (43, 641421), (57, 483879), (93, 296571), (99, 278597), (121, 227943), (129, 213807), (171, 161293), (209, 131967), (279, 98857), (341, 80883), (363, 75981), (387, 71269), (473, 58311), (589, 46827), (627, 43989), (817, 33759), (1023, 26961), (1089, 25327), (1333, 20691), (1419, 19437), (1767, 15609), (1881, 14663), (2299, 11997), (2451, 11253), (3069, 8987), (3751, 7353), (3999, 6897), (4257, 6479), (5203, 5301)]