2842945

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 3991680

約数和(自身を除く): 1148735

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 1889, 9445, 13223, 66115, 81227, 406135, 568589, 2842945]

約数ペア:

[(1, 2842945), (5, 568589), (7, 406135), (35, 81227), (43, 66115), (215, 13223), (301, 9445), (1505, 1889)]