1997203413

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{3719}}^1$

素因数の和:3969

約数の個数: 32

約数和(自身を含む): 2859816960

約数和(自身を除く): 862613547

約数列:

[1, 3, 23, 43, 69, 129, 181, 543, 989, 2967, 3719, 4163, 7783, 11157, 12489, 23349, 85537, 159917, 179009, 256611, 479751, 537027, 673139, 2019417, 3678091, 11034273, 15482197, 28944977, 46446591, 86834931, 665734471, 1997203413]

約数ペア:

[(1, 1997203413), (3, 665734471), (23, 86834931), (43, 46446591), (69, 28944977), (129, 15482197), (181, 11034273), (543, 3678091), (989, 2019417), (2967, 673139), (3719, 537027), (4163, 479751), (7783, 256611), (11157, 179009), (12489, 159917), (23349, 85537)]