208538889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281429}}^1$

素因数の和:281464

約数の個数: 16

約数和(自身を含む): 315201600

約数和(自身を除く): 106662711

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 281429, 844287, 3658577, 5347151, 10975731, 16041453, 69512963, 208538889]

約数ペア:

[(1, 208538889), (3, 69512963), (13, 16041453), (19, 10975731), (39, 5347151), (57, 3658577), (247, 844287), (741, 281429)]