201538719

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 351129600

約数和(自身を除く): 149590881

約数列:

[1, 3, 9, 19, 23, 27, 29, 31, 57, 69, 87, 93, 171, 207, 261, 279, 361, 437, 513, 551, 589, 621, 667, 713, 783, 837, 899, 1083, 1311, 1653, 1767, 2001, 2139, 2697, 3249, 3933, 4959, 5301, 6003, 6417, 8091, 8303, 9747, 10469, 11191, 11799, 12673, 13547, 14877, 15903, 17081, 18009, 19251, 20677, 24273, 24909, 31407, 33573, 38019, 40641, 51243, 62031, 74727, 94221, 100719, 114057, 121923, 153729, 186093, 224181, 240787, 257393, 282663, 302157, 324539, 342171, 365769, 392863, 461187, 558279, 722361, 772179, 973617, 1178589, 2167083, 2316537, 2920851, 3535767, 6501249, 6949611, 7464397, 8762553, 10607301, 22393191, 67179573, 201538719]

約数ペア:

[(1, 201538719), (3, 67179573), (9, 22393191), (19, 10607301), (23, 8762553), (27, 7464397), (29, 6949611), (31, 6501249), (57, 3535767), (69, 2920851), (87, 2316537), (93, 2167083), (171, 1178589), (207, 973617), (261, 772179), (279, 722361), (361, 558279), (437, 461187), (513, 392863), (551, 365769), (589, 342171), (621, 324539), (667, 302157), (713, 282663), (783, 257393), (837, 240787), (899, 224181), (1083, 186093), (1311, 153729), (1653, 121923), (1767, 114057), (2001, 100719), (2139, 94221), (2697, 74727), (3249, 62031), (3933, 51243), (4959, 40641), (5301, 38019), (6003, 33573), (6417, 31407), (8091, 24909), (8303, 24273), (9747, 20677), (10469, 19251), (11191, 18009), (11799, 17081), (12673, 15903), (13547, 14877)]