209335065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{3691}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 354432000

約数和(自身を除く): 145096935

約数列:

[1, 3, 5, 15, 19, 57, 95, 199, 285, 597, 995, 2985, 3691, 3781, 11073, 11343, 18455, 18905, 55365, 56715, 70129, 210387, 350645, 734509, 1051935, 2203527, 3672545, 11017635, 13955671, 41867013, 69778355, 209335065]

約数ペア:

[(1, 209335065), (3, 69778355), (5, 41867013), (15, 13955671), (19, 11017635), (57, 3672545), (95, 2203527), (199, 1051935), (285, 734509), (597, 350645), (995, 210387), (2985, 70129), (3691, 56715), (3781, 55365), (11073, 18905), (11343, 18455)]