40278939

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1489}}^1$

素因数の和:1690

約数の個数: 16

約数和(自身を含む): 54927360

約数和(自身を除く): 14648421

約数列:

[1, 3, 71, 127, 213, 381, 1489, 4467, 9017, 27051, 105719, 189103, 317157, 567309, 13426313, 40278939]

約数ペア:

[(1, 40278939), (3, 13426313), (71, 567309), (127, 317157), (213, 189103), (381, 105719), (1489, 27051), (4467, 9017)]