80017539

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{12659}}^1$

素因数の和:12719

約数の個数: 24

約数和(自身を含む): 127005120

約数和(自身を除く): 46987581

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 12659, 37977, 88613, 265839, 544337, 620291, 1633011, 1860873, 3810359, 11431077, 26672513, 80017539]

約数ペア:

[(1, 80017539), (3, 26672513), (7, 11431077), (21, 3810359), (43, 1860873), (49, 1633011), (129, 620291), (147, 544337), (301, 265839), (903, 88613), (2107, 37977), (6321, 12659)]