149323391

素因数分解:

$7^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 178093440

約数和(自身を除く): 28770049

約数列:

[1, 7, 43, 83, 139, 301, 581, 973, 1849, 3569, 5977, 11537, 12943, 24983, 41839, 80759, 153467, 257011, 496091, 1074269, 1799077, 3472637, 21331913, 149323391]

約数ペア:

[(1, 149323391), (7, 21331913), (43, 3472637), (83, 1799077), (139, 1074269), (301, 496091), (581, 257011), (973, 153467), (1849, 80759), (3569, 41839), (5977, 24983), (11537, 12943)]