2891491161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{60821}}^1$

素因数の和:60913

約数の個数: 32

約数和(自身を含む): 4414217472

約数和(自身を除く): 1522726311

約数列:

[1, 3, 13, 23, 39, 53, 69, 159, 299, 689, 897, 1219, 2067, 3657, 15847, 47541, 60821, 182463, 790673, 1398883, 2372019, 3223513, 4196649, 9670539, 18185479, 41905669, 54556437, 74140799, 125717007, 222422397, 963830387, 2891491161]

約数ペア:

[(1, 2891491161), (3, 963830387), (13, 222422397), (23, 125717007), (39, 74140799), (53, 54556437), (69, 41905669), (159, 18185479), (299, 9670539), (689, 4196649), (897, 3223513), (1219, 2372019), (2067, 1398883), (3657, 790673), (15847, 182463), (47541, 60821)]