209938905

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 411206400

約数和(自身を除く): 201267495

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 109, 135, 165, 297, 327, 495, 545, 981, 1199, 1297, 1485, 1635, 2943, 3597, 3891, 4905, 5995, 6485, 10791, 11673, 14267, 14715, 17985, 19455, 32373, 35019, 42801, 53955, 58365, 71335, 128403, 141373, 161865, 175095, 214005, 385209, 424119, 642015, 706865, 1272357, 1555103, 1926045, 2120595, 3817071, 4665309, 6361785, 7775515, 13995927, 19085355, 23326545, 41987781, 69979635, 209938905]

約数ペア:

[(1, 209938905), (3, 69979635), (5, 41987781), (9, 23326545), (11, 19085355), (15, 13995927), (27, 7775515), (33, 6361785), (45, 4665309), (55, 3817071), (99, 2120595), (109, 1926045), (135, 1555103), (165, 1272357), (297, 706865), (327, 642015), (495, 424119), (545, 385209), (981, 214005), (1199, 175095), (1297, 161865), (1485, 141373), (1635, 128403), (2943, 71335), (3597, 58365), (3891, 53955), (4905, 42801), (5995, 35019), (6485, 32373), (10791, 19455), (11673, 17985), (14267, 14715)]