13398819

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33581}}^1$

素因数の和:33610

約数の個数: 16

約数和(自身を含む): 21492480

約数和(自身を除く): 8093661

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 33581, 100743, 235067, 638039, 705201, 1914117, 4466273, 13398819]

約数ペア:

[(1, 13398819), (3, 4466273), (7, 1914117), (19, 705201), (21, 638039), (57, 235067), (133, 100743), (399, 33581)]