340587

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 550368

約数和(自身を除く): 209781

約数列:

[1, 3, 9, 13, 39, 41, 71, 117, 123, 213, 369, 533, 639, 923, 1599, 2769, 2911, 4797, 8307, 8733, 26199, 37843, 113529, 340587]

約数ペア:

[(1, 340587), (3, 113529), (9, 37843), (13, 26199), (39, 8733), (41, 8307), (71, 4797), (117, 2911), (123, 2769), (213, 1599), (369, 923), (533, 639)]