2640759

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1918

約数の個数: 16

約数和(自身を含む): 3932544

約数和(自身を除く): 1291785

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1861, 5583, 20471, 61413, 80023, 240069, 880253, 2640759]

約数ペア:

[(1, 2640759), (3, 880253), (11, 240069), (33, 80023), (43, 61413), (129, 20471), (473, 5583), (1419, 1861)]