81760371

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 59088909

約数列:

[1, 3, 7, 11, 21, 33, 49, 59, 77, 147, 177, 231, 413, 539, 649, 857, 1239, 1617, 1947, 2571, 2891, 4543, 5999, 8673, 9427, 13629, 17997, 28281, 31801, 41993, 50563, 65989, 95403, 125979, 151689, 197967, 353941, 461923, 556193, 1061823, 1385769, 1668579, 2477587, 3893351, 7432761, 11680053, 27253457, 81760371]

約数ペア:

[(1, 81760371), (3, 27253457), (7, 11680053), (11, 7432761), (21, 3893351), (33, 2477587), (49, 1668579), (59, 1385769), (77, 1061823), (147, 556193), (177, 461923), (231, 353941), (413, 197967), (539, 151689), (649, 125979), (857, 95403), (1239, 65989), (1617, 50563), (1947, 41993), (2571, 31801), (2891, 28281), (4543, 17997), (5999, 13629), (8673, 9427)]