201893991

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{398213}}^1$

素因数の和:398242

約数の個数: 12

約数和(自身を含む): 291492648

約数和(自身を除く): 89598657

約数列:

[1, 3, 13, 39, 169, 507, 398213, 1194639, 5176769, 15530307, 67297997, 201893991]

約数ペア:

[(1, 201893991), (3, 67297997), (13, 15530307), (39, 5176769), (169, 1194639), (507, 398213)]