28978563

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 39204000

約数和(自身を除く): 10225437

約数列:

[1, 3, 149, 241, 269, 447, 723, 807, 35909, 40081, 64829, 107727, 120243, 194487, 9659521, 28978563]

約数ペア:

[(1, 28978563), (3, 9659521), (149, 194487), (241, 120243), (269, 107727), (447, 64829), (723, 40081), (807, 35909)]