4521321

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 7641920

約数和(自身を除く): 3120599

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1669, 2709, 5007, 11683, 15021, 35049, 71767, 105147, 215301, 502369, 645903, 1507107, 4521321]

約数ペア:

[(1, 4521321), (3, 1507107), (7, 645903), (9, 502369), (21, 215301), (43, 105147), (63, 71767), (129, 35049), (301, 15021), (387, 11683), (903, 5007), (1669, 2709)]