222420105

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{20509}}^1$

素因数の和:20761

約数の個数: 24

約数和(自身を含む): 387146760

約数和(自身を除く): 164726655

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 3615, 10845, 20509, 61527, 102545, 184581, 307635, 922905, 4942669, 14828007, 24713345, 44484021, 74140035, 222420105]

約数ペア:

[(1, 222420105), (3, 74140035), (5, 44484021), (9, 24713345), (15, 14828007), (45, 4942669), (241, 922905), (723, 307635), (1205, 184581), (2169, 102545), (3615, 61527), (10845, 20509)]