80220147

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1879}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 129945600

約数和(自身を除く): 49725453

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 1879, 2033, 2247, 5637, 6099, 13153, 14231, 35701, 39459, 42693, 107103, 201053, 249907, 603159, 749721, 1407371, 3820007, 4222113, 11460021, 26740049, 80220147]

約数ペア:

[(1, 80220147), (3, 26740049), (7, 11460021), (19, 4222113), (21, 3820007), (57, 1407371), (107, 749721), (133, 603159), (321, 249907), (399, 201053), (749, 107103), (1879, 42693), (2033, 39459), (2247, 35701), (5637, 14231), (6099, 13153)]