78561609

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{129001}}^1$

素因数の和:129040

約数の個数: 16

約数和(自身を含む): 123841920

約数和(自身を除く): 45280311

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 129001, 387003, 903007, 2709021, 3741029, 11223087, 26187203, 78561609]

約数ペア:

[(1, 78561609), (3, 26187203), (7, 11223087), (21, 3741029), (29, 2709021), (87, 903007), (203, 387003), (609, 129001)]