90749727

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{21139}}^1$

素因数の和:21204

約数の個数: 20

約数和(自身を含む): 138128760

約数和(自身を除く): 47379033

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 21139, 63417, 190251, 570753, 1120367, 1712259, 3361101, 10083303, 30249909, 90749727]

約数ペア:

[(1, 90749727), (3, 30249909), (9, 10083303), (27, 3361101), (53, 1712259), (81, 1120367), (159, 570753), (477, 190251), (1431, 63417), (4293, 21139)]