156978243

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{28087}}^1$

素因数の和:28125

約数の個数: 24

約数和(自身を含む): 245376768

約数和(自身を除く): 88398525

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 28087, 84261, 252783, 646001, 758349, 1938003, 2275047, 5814009, 6825141, 17442027, 52326081, 156978243]

約数ペア:

[(1, 156978243), (3, 52326081), (9, 17442027), (23, 6825141), (27, 5814009), (69, 2275047), (81, 1938003), (207, 758349), (243, 646001), (621, 252783), (1863, 84261), (5589, 28087)]