68553121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 91750400

約数和(自身を除く): 23197279

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 1279, 1729, 2821, 4123, 7657, 8953, 16627, 24301, 39649, 53599, 116389, 170107, 277543, 315913, 515437, 753331, 2211391, 3608059, 5273317, 9793303, 68553121]

約数ペア:

[(1, 68553121), (7, 9793303), (13, 5273317), (19, 3608059), (31, 2211391), (91, 753331), (133, 515437), (217, 315913), (247, 277543), (403, 170107), (589, 116389), (1279, 53599), (1729, 39649), (2821, 24301), (4123, 16627), (7657, 8953)]