39886785

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18859}}^1$

素因数の和:18917

約数の個数: 24

約数和(自身を含む): 70611840

約数和(自身を除く): 30725055

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 18859, 56577, 94295, 169731, 282885, 848655, 886373, 2659119, 4431865, 7977357, 13295595, 39886785]

約数ペア:

[(1, 39886785), (3, 13295595), (5, 7977357), (9, 4431865), (15, 2659119), (45, 886373), (47, 848655), (141, 282885), (235, 169731), (423, 94295), (705, 56577), (2115, 18859)]