81809739

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{7723}}^1$

素因数の和:7847

約数の個数: 24

約数和(自身を含む): 130133952

約数和(自身を除く): 48324213

約数列:

[1, 3, 9, 11, 33, 99, 107, 321, 963, 1177, 3531, 7723, 10593, 23169, 69507, 84953, 254859, 764577, 826361, 2479083, 7437249, 9089971, 27269913, 81809739]

約数ペア:

[(1, 81809739), (3, 27269913), (9, 9089971), (11, 7437249), (33, 2479083), (99, 826361), (107, 764577), (321, 254859), (963, 84953), (1177, 69507), (3531, 23169), (7723, 10593)]