31356279

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 19861641

約数列:

[1, 3, 9, 17, 29, 37, 51, 87, 111, 153, 191, 261, 333, 493, 573, 629, 1073, 1479, 1719, 1887, 3219, 3247, 4437, 5539, 5661, 7067, 9657, 9741, 16617, 18241, 21201, 29223, 49851, 54723, 63603, 94163, 120139, 164169, 204943, 282489, 360417, 614829, 847467, 1081251, 1844487, 3484031, 10452093, 31356279]

約数ペア:

[(1, 31356279), (3, 10452093), (9, 3484031), (17, 1844487), (29, 1081251), (37, 847467), (51, 614829), (87, 360417), (111, 282489), (153, 204943), (191, 164169), (261, 120139), (333, 94163), (493, 63603), (573, 54723), (629, 49851), (1073, 29223), (1479, 21201), (1719, 18241), (1887, 16617), (3219, 9741), (3247, 9657), (4437, 7067), (5539, 5661)]