218901717

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{426709}}^1$

素因数の和:426737

約数の個数: 16

約数和(自身を含む): 341368000

約数和(自身を除く): 122466283

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 426709, 1280127, 3840381, 8107471, 11521143, 24322413, 72967239, 218901717]

約数ペア:

[(1, 218901717), (3, 72967239), (9, 24322413), (19, 11521143), (27, 8107471), (57, 3840381), (171, 1280127), (513, 426709)]