278889273

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{32653}}^1$

素因数の和:32745

約数の個数: 24

約数和(自身を含む): 439784072

約数和(自身を除く): 160894799

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 32653, 97959, 293877, 424489, 1273467, 2383669, 3820401, 7151007, 21453021, 30987697, 92963091, 278889273]

約数ペア:

[(1, 278889273), (3, 92963091), (9, 30987697), (13, 21453021), (39, 7151007), (73, 3820401), (117, 2383669), (219, 1273467), (657, 424489), (949, 293877), (2847, 97959), (8541, 32653)]