199023981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{300187}}^1$

素因数の和:300220

約数の個数: 16

約数和(自身を含む): 302589504

約数和(自身を除く): 103565523

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 300187, 900561, 3902431, 5103179, 11707293, 15309537, 66341327, 199023981]

約数ペア:

[(1, 199023981), (3, 66341327), (13, 15309537), (17, 11707293), (39, 5103179), (51, 3902431), (221, 900561), (663, 300187)]