81711285

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{13001}}^1$

素因数の和:13428

約数の個数: 16

約数和(自身を含む): 131060160

約数和(自身を除く): 49348875

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 6285, 13001, 39003, 65005, 195015, 5447419, 16342257, 27237095, 81711285]

約数ペア:

[(1, 81711285), (3, 27237095), (5, 16342257), (15, 5447419), (419, 195015), (1257, 65005), (2095, 39003), (6285, 13001)]