13017291

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5209}}^1$

素因数の和:5243

約数の個数: 24

約数和(自身を含む): 21381840

約数和(自身を除く): 8364549

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 5209, 15627, 36463, 88553, 109389, 255241, 265659, 619871, 765723, 1859613, 4339097, 13017291]

約数ペア:

[(1, 13017291), (3, 4339097), (7, 1859613), (17, 765723), (21, 619871), (49, 265659), (51, 255241), (119, 109389), (147, 88553), (357, 36463), (833, 15627), (2499, 5209)]