12587805

素因数分解:

$3^4\times 5^1\times {\mathrm{31081}}^1$

素因数の和:31098

約数の個数: 20

約数和(自身を含む): 22565532

約数和(自身を除く): 9977727

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31081, 93243, 155405, 279729, 466215, 839187, 1398645, 2517561, 4195935, 12587805]

約数ペア:

[(1, 12587805), (3, 4195935), (5, 2517561), (9, 1398645), (15, 839187), (27, 466215), (45, 279729), (81, 155405), (135, 93243), (405, 31081)]