42171605

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4003}}^1$

素因数の和:4065

約数の個数: 24

約数和(自身を含む): 60252192

約数和(自身を除く): 18080587

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 4003, 10535, 20015, 28021, 140105, 172129, 196147, 860645, 980735, 1204903, 6024515, 8434321, 42171605]

約数ペア:

[(1, 42171605), (5, 8434321), (7, 6024515), (35, 1204903), (43, 980735), (49, 860645), (215, 196147), (245, 172129), (301, 140105), (1505, 28021), (2107, 20015), (4003, 10535)]