17785881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 27630720

約数和(自身を除く): 9844839

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2213, 2679, 6639, 8037, 19917, 42047, 104011, 126141, 312033, 378423, 936099, 1976209, 5928627, 17785881]

約数ペア:

[(1, 17785881), (3, 5928627), (9, 1976209), (19, 936099), (47, 378423), (57, 312033), (141, 126141), (171, 104011), (423, 42047), (893, 19917), (2213, 8037), (2679, 6639)]