16443987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41213}}^1$

素因数の和:41242

約数の個数: 16

約数和(自身を含む): 26376960

約数和(自身を除く): 9932973

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 41213, 123639, 288491, 783047, 865473, 2349141, 5481329, 16443987]

約数ペア:

[(1, 16443987), (3, 5481329), (7, 2349141), (19, 865473), (21, 783047), (57, 288491), (133, 123639), (399, 41213)]