209898486

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{555287}}^1$

素因数の和:555305

約数の個数: 32

約数和(自身を含む): 533076480

約数和(自身を除く): 323177994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 555287, 1110574, 1665861, 3331722, 3887009, 4997583, 7774018, 9995166, 11661027, 14992749, 23322054, 29985498, 34983081, 69966162, 104949243, 209898486]

約数ペア:

[(1, 209898486), (2, 104949243), (3, 69966162), (6, 34983081), (7, 29985498), (9, 23322054), (14, 14992749), (18, 11661027), (21, 9995166), (27, 7774018), (42, 4997583), (54, 3887009), (63, 3331722), (126, 1665861), (189, 1110574), (378, 555287)]