2166021

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:64

約数の個数: 60

約数和(自身を含む): 4055436

約数和(自身を除く): 1889415

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 39, 51, 81, 99, 117, 121, 143, 153, 187, 221, 297, 351, 363, 429, 459, 561, 663, 891, 1053, 1089, 1287, 1377, 1573, 1683, 1989, 2057, 2431, 3267, 3861, 4719, 5049, 5967, 6171, 7293, 9801, 11583, 14157, 15147, 17901, 18513, 21879, 26741, 42471, 55539, 65637, 80223, 127413, 166617, 196911, 240669, 722007, 2166021]

約数ペア:

[(1, 2166021), (3, 722007), (9, 240669), (11, 196911), (13, 166617), (17, 127413), (27, 80223), (33, 65637), (39, 55539), (51, 42471), (81, 26741), (99, 21879), (117, 18513), (121, 17901), (143, 15147), (153, 14157), (187, 11583), (221, 9801), (297, 7293), (351, 6171), (363, 5967), (429, 5049), (459, 4719), (561, 3861), (663, 3267), (891, 2431), (1053, 2057), (1089, 1989), (1287, 1683), (1377, 1573)]