2021967

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 3095040

約数和(自身を除く): 1073073

約数列:

[1, 3, 9, 29, 61, 87, 127, 183, 261, 381, 549, 1143, 1769, 3683, 5307, 7747, 11049, 15921, 23241, 33147, 69723, 224663, 673989, 2021967]

約数ペア:

[(1, 2021967), (3, 673989), (9, 224663), (29, 69723), (61, 33147), (87, 23241), (127, 15921), (183, 11049), (261, 7747), (381, 5307), (549, 3683), (1143, 1769)]