213354261

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{12821}}^1$

素因数の和:12913

約数の個数: 18

約数和(自身を含む): 315536598

約数和(自身を除く): 102182337

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 12821, 16641, 38463, 115389, 551303, 1653909, 4961727, 23706029, 71118087, 213354261]

約数ペア:

[(1, 213354261), (3, 71118087), (9, 23706029), (43, 4961727), (129, 1653909), (387, 551303), (1849, 115389), (5547, 38463), (12821, 16641)]