81697231

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{10301}}^1$

素因数の和:10422

約数の個数: 16

約数和(自身を含む): 102855168

約数和(自身を除く): 21157937

約数列:

[1, 7, 11, 77, 103, 721, 1133, 7931, 10301, 72107, 113311, 793177, 1061003, 7427021, 11671033, 81697231]

約数ペア:

[(1, 81697231), (7, 11671033), (11, 7427021), (77, 1061003), (103, 793177), (721, 113311), (1133, 72107), (7931, 10301)]