66809309

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 82999296

約数和(自身を除く): 16189987

約数列:

[1, 7, 31, 37, 53, 157, 217, 259, 371, 1099, 1147, 1643, 1961, 4867, 5809, 8029, 8321, 11501, 13727, 34069, 40663, 58247, 60791, 180079, 257951, 307877, 425537, 1260553, 1805657, 2155139, 9544187, 66809309]

約数ペア:

[(1, 66809309), (7, 9544187), (31, 2155139), (37, 1805657), (53, 1260553), (157, 425537), (217, 307877), (259, 257951), (371, 180079), (1099, 60791), (1147, 58247), (1643, 40663), (1961, 34069), (4867, 13727), (5809, 11501), (8029, 8321)]