28133163

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15101}}^1$

素因数の和:15136

約数の個数: 20

約数和(自身を含む): 43856208

約数和(自身を除く): 15723045

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15101, 45303, 135909, 347323, 407727, 1041969, 1223181, 3125907, 9377721, 28133163]

約数ペア:

[(1, 28133163), (3, 9377721), (9, 3125907), (23, 1223181), (27, 1041969), (69, 407727), (81, 347323), (207, 135909), (621, 45303), (1863, 15101)]