209735571

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{4451}}^1$

素因数の和:4706

約数の個数: 16

約数和(自身を含む): 284215680

約数和(自身を除く): 74480109

約数列:

[1, 3, 113, 139, 339, 417, 4451, 13353, 15707, 47121, 502963, 618689, 1508889, 1856067, 69911857, 209735571]

約数ペア:

[(1, 209735571), (3, 69911857), (113, 1856067), (139, 1508889), (339, 618689), (417, 502963), (4451, 47121), (13353, 15707)]