201021777

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1731

約数の個数: 48

約数和(自身を含む): 336394240

約数和(自身を除く): 135372463

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 121, 297, 333, 363, 407, 999, 1089, 1221, 1663, 3267, 3663, 4477, 4989, 10989, 13431, 14967, 18293, 40293, 44901, 54879, 61531, 120879, 164637, 184593, 201223, 493911, 553779, 603669, 676841, 1661337, 1811007, 2030523, 5433021, 6091569, 7445251, 18274707, 22335753, 67007259, 201021777]

約数ペア:

[(1, 201021777), (3, 67007259), (9, 22335753), (11, 18274707), (27, 7445251), (33, 6091569), (37, 5433021), (99, 2030523), (111, 1811007), (121, 1661337), (297, 676841), (333, 603669), (363, 553779), (407, 493911), (999, 201223), (1089, 184593), (1221, 164637), (1663, 120879), (3267, 61531), (3663, 54879), (4477, 44901), (4989, 40293), (10989, 18293), (13431, 14967)]