81279877

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 97708032

約数和(自身を除く): 16428155

約数列:

[1, 7, 49, 61, 71, 383, 427, 497, 2681, 2989, 3479, 4331, 18767, 23363, 27193, 30317, 163541, 190351, 212219, 1144787, 1332457, 1658773, 11611411, 81279877]

約数ペア:

[(1, 81279877), (7, 11611411), (49, 1658773), (61, 1332457), (71, 1144787), (383, 212219), (427, 190351), (497, 163541), (2681, 30317), (2989, 27193), (3479, 23363), (4331, 18767)]