2643003

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:840

約数の個数: 24

約数和(自身を含む): 4309200

約数和(自身を除く): 1666197

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 809, 1089, 2427, 3267, 7281, 8899, 21843, 26697, 80091, 97889, 240273, 293667, 881001, 2643003]

約数ペア:

[(1, 2643003), (3, 881001), (9, 293667), (11, 240273), (27, 97889), (33, 80091), (99, 26697), (121, 21843), (297, 8899), (363, 7281), (809, 3267), (1089, 2427)]