13881045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21521}}^1$

素因数の和:21572

約数の個数: 16

約数和(自身を含む): 22727232

約数和(自身を除く): 8846187

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 21521, 64563, 107605, 322815, 925403, 2776209, 4627015, 13881045]

約数ペア:

[(1, 13881045), (3, 4627015), (5, 2776209), (15, 925403), (43, 322815), (129, 107605), (215, 64563), (645, 21521)]