28266393

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{5381}}^1$

素因数の和:5504

約数の個数: 16

約数和(自身を含む): 40300416

約数和(自身を除く): 12034023

約数列:

[1, 3, 17, 51, 103, 309, 1751, 5253, 5381, 16143, 91477, 274431, 554243, 1662729, 9422131, 28266393]

約数ペア:

[(1, 28266393), (3, 9422131), (17, 1662729), (51, 554243), (103, 274431), (309, 91477), (1751, 16143), (5253, 5381)]