8716005

素因数分解:

$3^4\times 5^1\times {\mathrm{21521}}^1$

素因数の和:21538

約数の個数: 20

約数和(自身を含む): 15624972

約数和(自身を除く): 6908967

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 21521, 64563, 107605, 193689, 322815, 581067, 968445, 1743201, 2905335, 8716005]

約数ペア:

[(1, 8716005), (3, 2905335), (5, 1743201), (9, 968445), (15, 581067), (27, 322815), (45, 193689), (81, 107605), (135, 64563), (405, 21521)]