80866431

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{7621}}^1$

素因数の和:7764

約数の個数: 20

約数和(自身を含む): 121738584

約数和(自身を除く): 40872153

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 7621, 10611, 22863, 68589, 205767, 617301, 998351, 2995053, 8985159, 26955477, 80866431]

約数ペア:

[(1, 80866431), (3, 26955477), (9, 8985159), (27, 2995053), (81, 998351), (131, 617301), (393, 205767), (1179, 68589), (3537, 22863), (7621, 10611)]