215320161

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{14221}}^1$

素因数の和:14341

約数の個数: 24

約数和(自身を含む): 337232064

約数和(自身を除く): 121911903

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 14221, 15141, 42663, 99547, 298641, 696829, 1464763, 2090487, 4394289, 10253341, 30760023, 71773387, 215320161]

約数ペア:

[(1, 215320161), (3, 71773387), (7, 30760023), (21, 10253341), (49, 4394289), (103, 2090487), (147, 1464763), (309, 696829), (721, 298641), (2163, 99547), (5047, 42663), (14221, 15141)]