208068885

素因数分解:

$3^3\times 5^1\times {\mathrm{1541251}}^1$

素因数の和:1541265

約数の個数: 16

約数和(自身を含む): 369900480

約数和(自身を除く): 161831595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1541251, 4623753, 7706255, 13871259, 23118765, 41613777, 69356295, 208068885]

約数ペア:

[(1, 208068885), (3, 69356295), (5, 41613777), (9, 23118765), (15, 13871259), (27, 7706255), (45, 4623753), (135, 1541251)]