687501027

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{369029}}^1$

素因数の和:369064

約数の個数: 20

約数和(自身を含む): 1071663120

約数和(自身を除く): 384162093

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 369029, 1107087, 3321261, 8487667, 9963783, 25463001, 29891349, 76389003, 229167009, 687501027]

約数ペア:

[(1, 687501027), (3, 229167009), (9, 76389003), (23, 29891349), (27, 25463001), (69, 9963783), (81, 8487667), (207, 3321261), (621, 1107087), (1863, 369029)]