81788787

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{16493}}^1$

素因数の和:16547

約数の個数: 24

約数和(自身を含む): 128653200

約数和(自身を除く): 46864413

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 16493, 49479, 148437, 313367, 478297, 940101, 1434891, 2820303, 4304673, 9087643, 27262929, 81788787]

約数ペア:

[(1, 81788787), (3, 27262929), (9, 9087643), (19, 4304673), (29, 2820303), (57, 1434891), (87, 940101), (171, 478297), (261, 313367), (551, 148437), (1653, 49479), (4959, 16493)]