38871009

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:840

約数の個数: 28

約数和(自身を含む): 59179392

約数和(自身を除く): 20308383

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 729, 751, 1917, 2253, 5751, 6759, 17253, 20277, 51759, 53321, 60831, 159963, 182493, 479889, 547479, 1439667, 4319001, 12957003, 38871009]

約数ペア:

[(1, 38871009), (3, 12957003), (9, 4319001), (27, 1439667), (71, 547479), (81, 479889), (213, 182493), (243, 159963), (639, 60831), (729, 53321), (751, 51759), (1917, 20277), (2253, 17253), (5751, 6759)]