207974235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1980707}}^1$

素因数の和:1980722

約数の個数: 16

約数和(自身を含む): 380295936

約数和(自身を除く): 172321701

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1980707, 5942121, 9903535, 13864949, 29710605, 41594847, 69324745, 207974235]

約数ペア:

[(1, 207974235), (3, 69324745), (5, 41594847), (7, 29710605), (15, 13864949), (21, 9903535), (35, 5942121), (105, 1980707)]