208222209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1779677}}^1$

素因数の和:1779696

約数の個数: 12

約数和(自身を含む): 323901396

約数和(自身を除く): 115679187

約数列:

[1, 3, 9, 13, 39, 117, 1779677, 5339031, 16017093, 23135801, 69407403, 208222209]

約数ペア:

[(1, 208222209), (3, 69407403), (9, 23135801), (13, 16017093), (39, 5339031), (117, 1779677)]