2205105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{21001}}^1$

素因数の和:21016

約数の個数: 16

約数和(自身を含む): 4032384

約数和(自身を除く): 1827279

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 21001, 63003, 105005, 147007, 315015, 441021, 735035, 2205105]

約数ペア:

[(1, 2205105), (3, 735035), (5, 441021), (7, 315015), (15, 147007), (21, 105005), (35, 63003), (105, 21001)]