28145307

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{881}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 39287808

約数和(自身を除く): 11142501

約数列:

[1, 3, 23, 69, 463, 881, 1389, 2643, 10649, 20263, 31947, 60789, 407903, 1223709, 9381769, 28145307]

約数ペア:

[(1, 28145307), (3, 9381769), (23, 1223709), (69, 407903), (463, 60789), (881, 31947), (1389, 20263), (2643, 10649)]