203490567

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{30187}}^1$

素因数の和:30307

約数の個数: 24

約数和(自身を含む): 339071616

約数和(自身を除く): 135581049

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 30187, 90561, 211309, 271683, 633927, 1901781, 3230009, 9690027, 22610063, 29070081, 67830189, 203490567]

約数ペア:

[(1, 203490567), (3, 67830189), (7, 29070081), (9, 22610063), (21, 9690027), (63, 3230009), (107, 1901781), (321, 633927), (749, 271683), (963, 211309), (2247, 90561), (6741, 30187)]