28261449

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 42236480

約数和(自身を除く): 13975031

約数列:

[1, 3, 9, 43, 103, 129, 309, 387, 709, 927, 2127, 4429, 6381, 13287, 30487, 39861, 73027, 91461, 219081, 274383, 657243, 3140161, 9420483, 28261449]

約数ペア:

[(1, 28261449), (3, 9420483), (9, 3140161), (43, 657243), (103, 274383), (129, 219081), (309, 91461), (387, 73027), (709, 39861), (927, 30487), (2127, 13287), (4429, 6381)]