173640221

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{643}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 186863040

約数和(自身を除く): 13222819

約数列:

[1, 19, 61, 233, 643, 1159, 4427, 12217, 14213, 39223, 149819, 270047, 745237, 2846561, 9138959, 173640221]

約数ペア:

[(1, 173640221), (19, 9138959), (61, 2846561), (233, 745237), (643, 270047), (1159, 149819), (4427, 39223), (12217, 14213)]