208300155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27941}}^1$

素因数の和:28027

約数の個数: 32

約数和(自身を含む): 386270208

約数和(自身を除く): 177970053

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 27941, 83823, 139705, 195587, 419115, 586761, 977935, 1983811, 2933805, 5951433, 9919055, 13886677, 29757165, 41660031, 69433385, 208300155]

約数ペア:

[(1, 208300155), (3, 69433385), (5, 41660031), (7, 29757165), (15, 13886677), (21, 9919055), (35, 5951433), (71, 2933805), (105, 1983811), (213, 977935), (355, 586761), (497, 419115), (1065, 195587), (1491, 139705), (2485, 83823), (7455, 27941)]