207965241

素因数分解:

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

素因数の和:112

約数の個数: 81

約数和(自身を含む): 364288197

約数和(自身を除く): 156322956

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 121, 171, 207, 209, 253, 361, 363, 437, 529, 627, 759, 1083, 1089, 1311, 1587, 1881, 2277, 2299, 2783, 3249, 3933, 3971, 4761, 4807, 5819, 6897, 8303, 8349, 10051, 11913, 14421, 17457, 20691, 24909, 25047, 30153, 35739, 43263, 43681, 52371, 52877, 64009, 74727, 90459, 91333, 110561, 131043, 158631, 190969, 192027, 273999, 331683, 393129, 475893, 572907, 576081, 821997, 995049, 1004663, 1216171, 1718721, 2100659, 3013989, 3648513, 6301977, 9041967, 10945539, 18905931, 23107249, 69321747, 207965241]

約数ペア:

[(1, 207965241), (3, 69321747), (9, 23107249), (11, 18905931), (19, 10945539), (23, 9041967), (33, 6301977), (57, 3648513), (69, 3013989), (99, 2100659), (121, 1718721), (171, 1216171), (207, 1004663), (209, 995049), (253, 821997), (361, 576081), (363, 572907), (437, 475893), (529, 393129), (627, 331683), (759, 273999), (1083, 192027), (1089, 190969), (1311, 158631), (1587, 131043), (1881, 110561), (2277, 91333), (2299, 90459), (2783, 74727), (3249, 64009), (3933, 52877), (3971, 52371), (4761, 43681), (4807, 43263), (5819, 35739), (6897, 30153), (8303, 25047), (8349, 24909), (10051, 20691), (11913, 17457)]