15999687

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17957}}^1$

素因数の和:17980

約数の個数: 20

約数和(自身を含む): 26075016

約数和(自身を除く): 10075329

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 17957, 53871, 161613, 197527, 484839, 592581, 1454517, 1777743, 5333229, 15999687]

約数ペア:

[(1, 15999687), (3, 5333229), (9, 1777743), (11, 1454517), (27, 592581), (33, 484839), (81, 197527), (99, 161613), (297, 53871), (891, 17957)]