289171647

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2693}}^1$

素因数の和:2840

約数の個数: 32

約数和(自身を含む): 443540160

約数和(自身を除く): 154368513

約数列:

[1, 3, 9, 27, 41, 97, 123, 291, 369, 873, 1107, 2619, 2693, 3977, 8079, 11931, 24237, 35793, 72711, 107379, 110413, 261221, 331239, 783663, 993717, 2350989, 2981151, 7052967, 10710061, 32130183, 96390549, 289171647]

約数ペア:

[(1, 289171647), (3, 96390549), (9, 32130183), (27, 10710061), (41, 7052967), (97, 2981151), (123, 2350989), (291, 993717), (369, 783663), (873, 331239), (1107, 261221), (2619, 110413), (2693, 107379), (3977, 72711), (8079, 35793), (11931, 24237)]