1000405

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 1390464

約数和(自身を除く): 390059

約数列:

[1, 5, 7, 35, 101, 283, 505, 707, 1415, 1981, 3535, 9905, 28583, 142915, 200081, 1000405]

約数ペア:

[(1, 1000405), (5, 200081), (7, 142915), (35, 28583), (101, 9905), (283, 3535), (505, 1981), (707, 1415)]