15920985

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4441}}^1$

素因数の和:4688

約数の個数: 16

約数和(自身を含む): 25585920

約数和(自身を除く): 9664935

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 4441, 13323, 22205, 66615, 1061399, 3184197, 5306995, 15920985]

約数ペア:

[(1, 15920985), (3, 5306995), (5, 3184197), (15, 1061399), (239, 66615), (717, 22205), (1195, 13323), (3585, 4441)]