12843885

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19913}}^1$

素因数の和:19964

約数の個数: 16

約数和(自身を含む): 21029184

約数和(自身を除く): 8185299

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 19913, 59739, 99565, 298695, 856259, 2568777, 4281295, 12843885]

約数ペア:

[(1, 12843885), (3, 4281295), (5, 2568777), (15, 856259), (43, 298695), (129, 99565), (215, 59739), (645, 19913)]