131279457

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{13477}}^1$

素因数の和:13688

約数の個数: 16

約数和(自身を含む): 186319872

約数和(自身を除く): 55040415

約数列:

[1, 3, 17, 51, 191, 573, 3247, 9741, 13477, 40431, 229109, 687327, 2574107, 7722321, 43759819, 131279457]

約数ペア:

[(1, 131279457), (3, 43759819), (17, 7722321), (51, 2574107), (191, 687327), (573, 229109), (3247, 40431), (9741, 13477)]