18052815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 33841152

約数和(自身を除く): 15788337

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 67, 69, 71, 115, 165, 201, 213, 253, 335, 345, 355, 737, 759, 781, 1005, 1065, 1265, 1541, 1633, 2211, 2343, 3685, 3795, 3905, 4623, 4757, 4899, 7705, 8165, 11055, 11715, 14271, 16951, 17963, 23115, 23785, 24495, 50853, 52327, 53889, 71355, 84755, 89815, 109411, 156981, 254265, 261635, 269445, 328233, 547055, 784905, 1203521, 1641165, 3610563, 6017605, 18052815]

約数ペア:

[(1, 18052815), (3, 6017605), (5, 3610563), (11, 1641165), (15, 1203521), (23, 784905), (33, 547055), (55, 328233), (67, 269445), (69, 261635), (71, 254265), (115, 156981), (165, 109411), (201, 89815), (213, 84755), (253, 71355), (335, 53889), (345, 52327), (355, 50853), (737, 24495), (759, 23785), (781, 23115), (1005, 17963), (1065, 16951), (1265, 14271), (1541, 11715), (1633, 11055), (2211, 8165), (2343, 7705), (3685, 4899), (3795, 4757), (3905, 4623)]