206890989

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{2909}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 279546240

約数和(自身を除く): 72655251

約数列:

[1, 3, 151, 157, 453, 471, 2909, 8727, 23707, 71121, 439259, 456713, 1317777, 1370139, 68963663, 206890989]

約数ペア:

[(1, 206890989), (3, 68963663), (151, 1370139), (157, 1317777), (453, 456713), (471, 439259), (2909, 71121), (8727, 23707)]