12867105

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19949}}^1$

素因数の和:20000

約数の個数: 16

約数和(自身を含む): 21067200

約数和(自身を除く): 8200095

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19949, 59847, 99745, 299235, 857807, 2573421, 4289035, 12867105]

約数ペア:

[(1, 12867105), (3, 4289035), (5, 2573421), (15, 857807), (43, 299235), (129, 99745), (215, 59847), (645, 19949)]