13913305

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 19637640

約数和(自身を除く): 5724335

約数列:

[1, 5, 7, 35, 49, 109, 245, 521, 545, 763, 2605, 3647, 3815, 5341, 18235, 25529, 26705, 56789, 127645, 283945, 397523, 1987615, 2782661, 13913305]

約数ペア:

[(1, 13913305), (5, 2782661), (7, 1987615), (35, 397523), (49, 283945), (109, 127645), (245, 56789), (521, 26705), (545, 25529), (763, 18235), (2605, 5341), (3647, 3815)]