81731331

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43451}}^1$

素因数の和:43487

約数の個数: 24

約数和(自身を含む): 135570240

約数和(自身を除く): 53838909

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 43451, 130353, 391059, 477961, 825569, 1433883, 2476707, 4301649, 7430121, 9081259, 27243777, 81731331]

約数ペア:

[(1, 81731331), (3, 27243777), (9, 9081259), (11, 7430121), (19, 4301649), (33, 2476707), (57, 1433883), (99, 825569), (171, 477961), (209, 391059), (627, 130353), (1881, 43451)]