1680105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{16001}}^1$

素因数の和:16016

約数の個数: 16

約数和(自身を含む): 3072384

約数和(自身を除く): 1392279

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 16001, 48003, 80005, 112007, 240015, 336021, 560035, 1680105]

約数ペア:

[(1, 1680105), (3, 560035), (5, 336021), (7, 240015), (15, 112007), (21, 80005), (35, 48003), (105, 16001)]