201801600009

素因数分解:

$3^2\times {\mathrm{19919}}^1\times {\mathrm{1125679}}^1$

素因数の和:1145604

約数の個数: 12

約数和(自身を含む): 291506092800

約数和(自身を除く): 89704492791

約数列:

[1, 3, 9, 19919, 59757, 179271, 1125679, 3377037, 10131111, 22422400001, 67267200003, 201801600009]

約数ペア:

[(1, 201801600009), (3, 67267200003), (9, 22422400001), (19919, 10131111), (59757, 3377037), (179271, 1125679)]