1980543777

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{989777}}^1$

素因数の和:989832

約数の個数: 16

約数和(自身を含む): 2850560640

約数和(自身を除く): 870016863

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 989777, 2969331, 22764871, 28703533, 68294613, 86110599, 660181259, 1980543777]

約数ペア:

[(1, 1980543777), (3, 660181259), (23, 86110599), (29, 68294613), (69, 28703533), (87, 22764871), (667, 2969331), (2001, 989777)]