1990180259199

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{20102830901}}^1$

素因数の和:20102830918

約数の個数: 12

約数和(自身を含む): 3136041620712

約数和(自身を除く): 1145861361513

約数列:

[1, 3, 9, 11, 33, 99, 20102830901, 60308492703, 180925478109, 221131139911, 663393419733, 1990180259199]

約数ペア:

[(1, 1990180259199), (3, 663393419733), (9, 221131139911), (11, 180925478109), (33, 60308492703), (99, 20102830901)]