208775109

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{17987}}^1$

素因数の和:18116

約数の個数: 16

約数和(自身を含む): 287520192

約数和(自身を除く): 78745083

約数列:

[1, 3, 53, 73, 159, 219, 3869, 11607, 17987, 53961, 953311, 1313051, 2859933, 3939153, 69591703, 208775109]

約数ペア:

[(1, 208775109), (3, 69591703), (53, 3939153), (73, 2859933), (159, 1313051), (219, 953311), (3869, 53961), (11607, 17987)]