15887121

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 21750336

約数和(自身を除く): 5863215

約数列:

[1, 3, 53, 159, 163, 489, 613, 1839, 8639, 25917, 32489, 97467, 99919, 299757, 5295707, 15887121]

約数ペア:

[(1, 15887121), (3, 5295707), (53, 299757), (159, 99919), (163, 97467), (489, 32489), (613, 25917), (1839, 8639)]