81531873

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{26723}}^1$

素因数の和:26845

約数の個数: 16

約数和(自身を含む): 121861440

約数和(自身を除く): 40329567

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 26723, 80169, 240507, 721521, 3019699, 9059097, 27177291, 81531873]

約数ペア:

[(1, 81531873), (3, 27177291), (9, 9059097), (27, 3019699), (113, 721521), (339, 240507), (1017, 80169), (3051, 26723)]