207945255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1980431}}^1$

素因数の和:1980446

約数の個数: 16

約数和(自身を含む): 380242944

約数和(自身を除く): 172297689

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1980431, 5941293, 9902155, 13863017, 29706465, 41589051, 69315085, 207945255]

約数ペア:

[(1, 207945255), (3, 69315085), (5, 41589051), (7, 29706465), (15, 13863017), (21, 9902155), (35, 5941293), (105, 1980431)]