81479195

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{54139}}^1$

素因数の和:54194

約数の個数: 16

約数和(自身を含む): 114343680

約数和(自身を除く): 32864485

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 54139, 270695, 378973, 1894865, 2327977, 11639885, 16295839, 81479195]

約数ペア:

[(1, 81479195), (5, 16295839), (7, 11639885), (35, 2327977), (43, 1894865), (215, 378973), (301, 270695), (1505, 54139)]