2100805

素因数分解:

$5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 2905344

約数和(自身を除く): 804539

約数列:

[1, 5, 7, 35, 193, 311, 965, 1351, 1555, 2177, 6755, 10885, 60023, 300115, 420161, 2100805]

約数ペア:

[(1, 2100805), (5, 420161), (7, 300115), (35, 60023), (193, 10885), (311, 6755), (965, 2177), (1351, 1555)]