71136891

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 125558784

約数和(自身を除く): 54421893

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 127, 153, 357, 381, 523, 889, 1071, 1143, 1569, 2159, 2667, 3661, 4707, 6477, 8001, 8891, 10983, 15113, 19431, 26673, 32949, 45339, 62237, 66421, 80019, 136017, 186711, 199263, 464947, 560133, 597789, 1129157, 1394841, 3387471, 4184523, 7904099, 10162413, 23712297, 71136891]

約数ペア:

[(1, 71136891), (3, 23712297), (7, 10162413), (9, 7904099), (17, 4184523), (21, 3387471), (51, 1394841), (63, 1129157), (119, 597789), (127, 560133), (153, 464947), (357, 199263), (381, 186711), (523, 136017), (889, 80019), (1071, 66421), (1143, 62237), (1569, 45339), (2159, 32949), (2667, 26673), (3661, 19431), (4707, 15113), (6477, 10983), (8001, 8891)]