208075245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1981669}}^1$

素因数の和:1981684

約数の個数: 16

約数和(自身を含む): 380480640

約数和(自身を除く): 172405395

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1981669, 5945007, 9908345, 13871683, 29725035, 41615049, 69358415, 208075245]

約数ペア:

[(1, 208075245), (3, 69358415), (5, 41615049), (7, 29725035), (15, 13871683), (21, 9908345), (35, 5945007), (105, 1981669)]