31430673

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{16871}}^1$

素因数の和:16906

約数の個数: 20

約数和(自身を含む): 48996288

約数和(自身を除く): 17565615

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 16871, 50613, 151839, 388033, 455517, 1164099, 1366551, 3492297, 10476891, 31430673]

約数ペア:

[(1, 31430673), (3, 10476891), (9, 3492297), (23, 1366551), (27, 1164099), (69, 455517), (81, 388033), (207, 151839), (621, 50613), (1863, 16871)]