16561293

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41507}}^1$

素因数の和:41536

約数の個数: 16

約数和(自身を含む): 26565120

約数和(自身を除く): 10003827

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 41507, 124521, 290549, 788633, 871647, 2365899, 5520431, 16561293]

約数ペア:

[(1, 16561293), (3, 5520431), (7, 2365899), (19, 871647), (21, 788633), (57, 290549), (133, 124521), (399, 41507)]