27281737

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 4841783

約数列:

[1, 7, 43, 233, 301, 389, 1631, 2723, 10019, 16727, 70133, 90637, 117089, 634459, 3897391, 27281737]

約数ペア:

[(1, 27281737), (7, 3897391), (43, 634459), (233, 117089), (301, 90637), (389, 70133), (1631, 16727), (2723, 10019)]