209976571

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{7573}}^1$

素因数の和:7830

約数の個数: 16

約数和(自身を含む): 255213504

約数和(自身を除く): 45236933

約数列:

[1, 7, 17, 119, 233, 1631, 3961, 7573, 27727, 53011, 128741, 901187, 1764509, 12351563, 29996653, 209976571]

約数ペア:

[(1, 209976571), (7, 29996653), (17, 12351563), (119, 1764509), (233, 901187), (1631, 128741), (3961, 53011), (7573, 27727)]