207973605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1980701}}^1$

素因数の和:1980716

約数の個数: 16

約数和(自身を含む): 380294784

約数和(自身を除く): 172321179

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1980701, 5942103, 9903505, 13864907, 29710515, 41594721, 69324535, 207973605]

約数ペア:

[(1, 207973605), (3, 69324535), (5, 41594721), (7, 29710515), (15, 13864907), (21, 9903505), (35, 5942103), (105, 1980701)]