208102779

素因数分解:

$3^2\times {\mathrm{73}}^2\times {\mathrm{4339}}^1$

素因数の和:4491

約数の個数: 18

約数和(自身を含む): 304837260

約数和(自身を除く): 96734481

約数列:

[1, 3, 9, 73, 219, 657, 4339, 5329, 13017, 15987, 39051, 47961, 316747, 950241, 2850723, 23122531, 69367593, 208102779]

約数ペア:

[(1, 208102779), (3, 69367593), (9, 23122531), (73, 2850723), (219, 950241), (657, 316747), (4339, 47961), (5329, 39051), (13017, 15987)]