81570033

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 121212000

約数和(自身を除く): 39641967

約数列:

[1, 3, 9, 41, 123, 369, 443, 499, 1329, 1497, 3987, 4491, 18163, 20459, 54489, 61377, 163467, 184131, 221057, 663171, 1989513, 9063337, 27190011, 81570033]

約数ペア:

[(1, 81570033), (3, 27190011), (9, 9063337), (41, 1989513), (123, 663171), (369, 221057), (443, 184131), (499, 163467), (1329, 61377), (1497, 54489), (3987, 20459), (4491, 18163)]