13189911

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20261}}^1$

素因数の和:20302

約数の個数: 16

約数和(自身を含む): 20748288

約数和(自身を除く): 7558377

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 20261, 60783, 141827, 425481, 628091, 1884273, 4396637, 13189911]

約数ペア:

[(1, 13189911), (3, 4396637), (7, 1884273), (21, 628091), (31, 425481), (93, 141827), (217, 60783), (651, 20261)]