31999389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4211}}^1$

素因数の和:4380

約数の個数: 16

約数和(自身を含む): 45489600

約数和(自身を除く): 13490211

約数列:

[1, 3, 17, 51, 149, 447, 2533, 4211, 7599, 12633, 71587, 214761, 627439, 1882317, 10666463, 31999389]

約数ペア:

[(1, 31999389), (3, 10666463), (17, 1882317), (51, 627439), (149, 214761), (447, 71587), (2533, 12633), (4211, 7599)]