215057157

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{602401}}^1$

素因数の和:602428

約数の個数: 16

約数和(自身を含む): 346983552

約数和(自身を除く): 131926395

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 602401, 1807203, 4216807, 10240817, 12650421, 30722451, 71685719, 215057157]

約数ペア:

[(1, 215057157), (3, 71685719), (7, 30722451), (17, 12650421), (21, 10240817), (51, 4216807), (119, 1807203), (357, 602401)]