81361605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{417239}}^1$

素因数の和:417260

約数の個数: 16

約数和(自身を含む): 140192640

約数和(自身を除く): 58831035

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 417239, 1251717, 2086195, 5424107, 6258585, 16272321, 27120535, 81361605]

約数ペア:

[(1, 81361605), (3, 27120535), (5, 16272321), (13, 6258585), (15, 5424107), (39, 2086195), (65, 1251717), (195, 417239)]