25481907

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 45646848

約数和(自身を除く): 20164941

約数列:

[1, 3, 9, 11, 19, 23, 31, 33, 57, 69, 93, 99, 171, 207, 209, 253, 279, 341, 361, 437, 589, 627, 713, 759, 1023, 1083, 1311, 1767, 1881, 2139, 2277, 3069, 3249, 3933, 3971, 4807, 5301, 6417, 6479, 7843, 8303, 11191, 11913, 13547, 14421, 19437, 23529, 24909, 33573, 35739, 40641, 43263, 58311, 70587, 74727, 91333, 100719, 121923, 123101, 149017, 257393, 273999, 369303, 447051, 772179, 821997, 1107909, 1341153, 2316537, 2831323, 8493969, 25481907]

約数ペア:

[(1, 25481907), (3, 8493969), (9, 2831323), (11, 2316537), (19, 1341153), (23, 1107909), (31, 821997), (33, 772179), (57, 447051), (69, 369303), (93, 273999), (99, 257393), (171, 149017), (207, 123101), (209, 121923), (253, 100719), (279, 91333), (341, 74727), (361, 70587), (437, 58311), (589, 43263), (627, 40641), (713, 35739), (759, 33573), (1023, 24909), (1083, 23529), (1311, 19437), (1767, 14421), (1881, 13547), (2139, 11913), (2277, 11191), (3069, 8303), (3249, 7843), (3933, 6479), (3971, 6417), (4807, 5301)]