1331435

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 1848000

約数和(自身を除く): 516565

約数列:

[1, 5, 7, 35, 109, 349, 545, 763, 1745, 2443, 3815, 12215, 38041, 190205, 266287, 1331435]

約数ペア:

[(1, 1331435), (5, 266287), (7, 190205), (35, 38041), (109, 12215), (349, 3815), (545, 2443), (763, 1745)]