201991399

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{4793}}^1$

素因数の和:4914

約数の個数: 16

約数和(自身を含む): 222978528

約数和(自身を除く): 20987129

約数列:

[1, 17, 37, 67, 629, 1139, 2479, 4793, 42143, 81481, 177341, 321131, 3014797, 5459227, 11881847, 201991399]

約数ペア:

[(1, 201991399), (17, 11881847), (37, 5459227), (67, 3014797), (629, 321131), (1139, 177341), (2479, 81481), (4793, 42143)]