12291591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 18772992

約数和(自身を除く): 6481401

約数列:

[1, 3, 13, 23, 39, 69, 71, 193, 213, 299, 579, 897, 923, 1633, 2509, 2769, 4439, 4899, 7527, 13317, 13703, 21229, 41109, 57707, 63687, 173121, 178139, 315169, 534417, 945507, 4097197, 12291591]

約数ペア:

[(1, 12291591), (3, 4097197), (13, 945507), (23, 534417), (39, 315169), (69, 178139), (71, 173121), (193, 63687), (213, 57707), (299, 41109), (579, 21229), (897, 13703), (923, 13317), (1633, 7527), (2509, 4899), (2769, 4439)]