13215265

素因数分解:

$5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{769}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 18184320

約数和(自身を除く): 4969055

約数列:

[1, 5, 7, 35, 491, 769, 2455, 3437, 3845, 5383, 17185, 26915, 377579, 1887895, 2643053, 13215265]

約数ペア:

[(1, 13215265), (5, 2643053), (7, 1887895), (35, 377579), (491, 26915), (769, 17185), (2455, 5383), (3437, 3845)]