205427211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 310210560

約数和(自身を除く): 104783349

約数列:

[1, 3, 11, 33, 43, 71, 129, 213, 473, 781, 1419, 2039, 2343, 3053, 6117, 9159, 22429, 33583, 67287, 87677, 100749, 144769, 263031, 434307, 964447, 1592459, 2893341, 4777377, 6225067, 18675201, 68475737, 205427211]

約数ペア:

[(1, 205427211), (3, 68475737), (11, 18675201), (33, 6225067), (43, 4777377), (71, 2893341), (129, 1592459), (213, 964447), (473, 434307), (781, 263031), (1419, 144769), (2039, 100749), (2343, 87677), (3053, 67287), (6117, 33583), (9159, 22429)]