81639141

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{1307}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 111504384

約数和(自身を除く): 29865243

約数列:

[1, 3, 47, 141, 443, 1307, 1329, 3921, 20821, 61429, 62463, 184287, 579001, 1737003, 27213047, 81639141]

約数ペア:

[(1, 81639141), (3, 27213047), (47, 1737003), (141, 579001), (443, 184287), (1307, 62463), (1329, 61429), (3921, 20821)]