81379881

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{74729}}^1$

素因数の和:74757

約数の個数: 18

約数和(自身を含む): 129208170

約数和(自身を除く): 47828289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 74729, 224187, 672561, 822019, 2466057, 7398171, 9042209, 27126627, 81379881]

約数ペア:

[(1, 81379881), (3, 27126627), (9, 9042209), (11, 7398171), (33, 2466057), (99, 822019), (121, 672561), (363, 224187), (1089, 74729)]