12581709

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4021}}^1$

素因数の和:4180

約数の個数: 16

約数和(自身を含む): 19305600

約数和(自身を除く): 6723891

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 4021, 12063, 28147, 84441, 599129, 1797387, 4193903, 12581709]

約数ペア:

[(1, 12581709), (3, 4193903), (7, 1797387), (21, 599129), (149, 84441), (447, 28147), (1043, 12063), (3129, 4021)]