16680267

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 25572768

約数和(自身を除く): 8892501

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1321, 1403, 3963, 4209, 11889, 12627, 30383, 80581, 91149, 241743, 273447, 725229, 1853363, 5560089, 16680267]

約数ペア:

[(1, 16680267), (3, 5560089), (9, 1853363), (23, 725229), (61, 273447), (69, 241743), (183, 91149), (207, 80581), (549, 30383), (1321, 12627), (1403, 11889), (3963, 4209)]