278364307707

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{63103}}^1$

素因数の和:63400

約数の個数: 48

約数和(自身を含む): 421910315008

約数和(自身を除く): 143546007301

約数列:

[1, 3, 9, 31, 93, 97, 163, 279, 291, 489, 873, 1467, 3007, 5053, 9021, 15159, 15811, 27063, 45477, 47433, 63103, 142299, 189309, 490141, 567927, 1470423, 1956193, 4411269, 5868579, 6120991, 10285789, 17605737, 18362973, 30857367, 55088919, 92572101, 189750721, 318859459, 569252163, 956578377, 997721533, 1707756489, 2869735131, 2993164599, 8979493797, 30929367523, 92788102569, 278364307707]

約数ペア:

[(1, 278364307707), (3, 92788102569), (9, 30929367523), (31, 8979493797), (93, 2993164599), (97, 2869735131), (163, 1707756489), (279, 997721533), (291, 956578377), (489, 569252163), (873, 318859459), (1467, 189750721), (3007, 92572101), (5053, 55088919), (9021, 30857367), (15159, 18362973), (15811, 17605737), (27063, 10285789), (45477, 6120991), (47433, 5868579), (63103, 4411269), (142299, 1956193), (189309, 1470423), (490141, 567927)]