15281691

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2749}}^1$

素因数の和:2878

約数の個数: 16

約数和(自身を含む): 21780000

約数和(自身を除く): 6498309

約数列:

[1, 3, 17, 51, 109, 327, 1853, 2749, 5559, 8247, 46733, 140199, 299641, 898923, 5093897, 15281691]

約数ペア:

[(1, 15281691), (3, 5093897), (17, 898923), (51, 299641), (109, 140199), (327, 46733), (1853, 8247), (2749, 5559)]