1280615211

素因数分解:

$3^3\times {\mathrm{6863}}^1\times {\mathrm{6911}}^1$

素因数の和:13783

約数の個数: 16

約数和(自身を含む): 1897758720

約数和(自身を除く): 617143509

約数列:

[1, 3, 9, 27, 6863, 6911, 20589, 20733, 61767, 62199, 185301, 186597, 47430193, 142290579, 426871737, 1280615211]

約数ペア:

[(1, 1280615211), (3, 426871737), (9, 142290579), (27, 47430193), (6863, 186597), (6911, 185301), (20589, 62199), (20733, 61767)]