258213039

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{601}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 404544000

約数和(自身を除く): 146330961

約数列:

[1, 3, 7, 21, 41, 123, 287, 499, 601, 861, 1497, 1803, 3493, 4207, 10479, 12621, 20459, 24641, 61377, 73923, 143213, 172487, 299899, 429639, 517461, 899697, 2099293, 6297879, 12295859, 36887577, 86071013, 258213039]

約数ペア:

[(1, 258213039), (3, 86071013), (7, 36887577), (21, 12295859), (41, 6297879), (123, 2099293), (287, 899697), (499, 517461), (601, 429639), (861, 299899), (1497, 172487), (1803, 143213), (3493, 73923), (4207, 61377), (10479, 24641), (12621, 20459)]