28421307

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{45767}}^1$

素因数の和:45799

約数の個数: 16

約数和(自身を含む): 43937280

約数和(自身を除く): 15515973

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 45767, 137301, 411903, 1052641, 1235709, 3157923, 9473769, 28421307]

約数ペア:

[(1, 28421307), (3, 9473769), (9, 3157923), (23, 1235709), (27, 1052641), (69, 411903), (207, 137301), (621, 45767)]