81374397

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{569}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 123849600

約数和(自身を除く): 42475203

約数列:

[1, 3, 13, 19, 39, 57, 193, 247, 569, 579, 741, 1707, 2509, 3667, 7397, 7527, 10811, 11001, 22191, 32433, 47671, 109817, 140543, 143013, 329451, 421629, 1427621, 2086523, 4282863, 6259569, 27124799, 81374397]

約数ペア:

[(1, 81374397), (3, 27124799), (13, 6259569), (19, 4282863), (39, 2086523), (57, 1427621), (193, 421629), (247, 329451), (569, 143013), (579, 140543), (741, 109817), (1707, 47671), (2509, 32433), (3667, 22191), (7397, 11001), (7527, 10811)]