12715785

素因数分解:

$3^4\times 5^1\times {\mathrm{31397}}^1$

素因数の和:31414

約数の個数: 20

約数和(自身を含む): 22794948

約数和(自身を除く): 10079163

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31397, 94191, 156985, 282573, 470955, 847719, 1412865, 2543157, 4238595, 12715785]

約数ペア:

[(1, 12715785), (3, 4238595), (5, 2543157), (9, 1412865), (15, 847719), (27, 470955), (45, 282573), (81, 156985), (135, 94191), (405, 31397)]