81385473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{15013}}^1$

素因数の和:15168

約数の個数: 16

約数和(自身を含む): 117709760

約数和(自身を除く): 36324287

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 15013, 45039, 195169, 585507, 2086807, 6260421, 27128491, 81385473]

約数ペア:

[(1, 81385473), (3, 27128491), (13, 6260421), (39, 2086807), (139, 585507), (417, 195169), (1807, 45039), (5421, 15013)]