68784807

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 120960000

約数和(自身を除く): 52175193

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 89, 91, 133, 149, 247, 267, 273, 399, 447, 623, 741, 1043, 1157, 1691, 1729, 1869, 1937, 2831, 3129, 3471, 5073, 5187, 5811, 8099, 8493, 11837, 13261, 13559, 19817, 21983, 24297, 35511, 36803, 39783, 40677, 59451, 65949, 92827, 110409, 153881, 172393, 251959, 257621, 278481, 461643, 517179, 755877, 772863, 1206751, 1763713, 3275467, 3620253, 5291139, 9826401, 22928269, 68784807]

約数ペア:

[(1, 68784807), (3, 22928269), (7, 9826401), (13, 5291139), (19, 3620253), (21, 3275467), (39, 1763713), (57, 1206751), (89, 772863), (91, 755877), (133, 517179), (149, 461643), (247, 278481), (267, 257621), (273, 251959), (399, 172393), (447, 153881), (623, 110409), (741, 92827), (1043, 65949), (1157, 59451), (1691, 40677), (1729, 39783), (1869, 36803), (1937, 35511), (2831, 24297), (3129, 21983), (3471, 19817), (5073, 13559), (5187, 13261), (5811, 11837), (8099, 8493)]