201568521

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6661}}^1$

素因数の和:6813

約数の個数: 32

約数和(自身を含む): 337683456

約数和(自身を除く): 136114935

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2751, 4323, 6661, 10087, 19983, 30261, 46627, 73271, 139881, 219813, 512897, 872591, 1538691, 2617773, 6108137, 9598501, 18324411, 28795503, 67189507, 201568521]

約数ペア:

[(1, 201568521), (3, 67189507), (7, 28795503), (11, 18324411), (21, 9598501), (33, 6108137), (77, 2617773), (131, 1538691), (231, 872591), (393, 512897), (917, 219813), (1441, 139881), (2751, 73271), (4323, 46627), (6661, 30261), (10087, 19983)]