39998517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 60213888

約数和(自身を除く): 20215371

約数列:

[1, 3, 13, 37, 39, 53, 111, 159, 481, 523, 689, 1443, 1569, 1961, 2067, 5883, 6799, 19351, 20397, 25493, 27719, 58053, 76479, 83157, 251563, 360347, 754689, 1025603, 1081041, 3076809, 13332839, 39998517]

約数ペア:

[(1, 39998517), (3, 13332839), (13, 3076809), (37, 1081041), (39, 1025603), (53, 754689), (111, 360347), (159, 251563), (481, 83157), (523, 76479), (689, 58053), (1443, 27719), (1569, 25493), (1961, 20397), (2067, 19351), (5883, 6799)]