320199285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{70919}}^1$

素因数の和:70977

約数の個数: 32

約数和(自身を含む): 599132160

約数和(自身を除く): 278932875

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 70919, 212757, 354595, 496433, 1063785, 1489299, 2482165, 3049517, 7446495, 9148551, 15247585, 21346619, 45742755, 64039857, 106733095, 320199285]

約数ペア:

[(1, 320199285), (3, 106733095), (5, 64039857), (7, 45742755), (15, 21346619), (21, 15247585), (35, 9148551), (43, 7446495), (105, 3049517), (129, 2482165), (215, 1489299), (301, 1063785), (645, 496433), (903, 354595), (1505, 212757), (4515, 70919)]