2669139

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 4681600

約数和(自身を除く): 2012461

約数列:

[1, 3, 9, 11, 19, 27, 33, 43, 57, 99, 121, 129, 171, 209, 297, 363, 387, 473, 513, 627, 817, 1089, 1161, 1419, 1881, 2299, 2451, 3267, 4257, 5203, 5643, 6897, 7353, 8987, 12771, 15609, 20691, 22059, 26961, 46827, 62073, 80883, 98857, 140481, 242649, 296571, 889713, 2669139]

約数ペア:

[(1, 2669139), (3, 889713), (9, 296571), (11, 242649), (19, 140481), (27, 98857), (33, 80883), (43, 62073), (57, 46827), (99, 26961), (121, 22059), (129, 20691), (171, 15609), (209, 12771), (297, 8987), (363, 7353), (387, 6897), (473, 5643), (513, 5203), (627, 4257), (817, 3267), (1089, 2451), (1161, 2299), (1419, 1881)]