15661373217

素因数分解:

$3^1\times 7^1\times {\mathrm{2131}}^1\times {\mathrm{349967}}^1$

素因数の和:352108

約数の個数: 16

約数和(自身を含む): 23876216832

約数和(自身を除く): 8214843615

約数列:

[1, 3, 7, 21, 2131, 6393, 14917, 44751, 349967, 1049901, 2449769, 7349307, 745779677, 2237339031, 5220457739, 15661373217]

約数ペア:

[(1, 15661373217), (3, 5220457739), (7, 2237339031), (21, 745779677), (2131, 7349307), (6393, 2449769), (14917, 1049901), (44751, 349967)]