201211989

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{554303}}^1$

素因数の和:554328

約数の個数: 12

約数和(自身を含む): 294889728

約数和(自身を除く): 93677739

約数列:

[1, 3, 11, 33, 121, 363, 554303, 1662909, 6097333, 18291999, 67070663, 201211989]

約数ペア:

[(1, 201211989), (3, 67070663), (11, 18291999), (33, 6097333), (121, 1662909), (363, 554303)]