2187801

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 54

約数和(自身を含む): 4139226

約数和(自身を除く): 1951425

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 49, 63, 77, 99, 121, 123, 147, 231, 287, 363, 369, 441, 451, 539, 693, 847, 861, 1089, 1353, 1617, 2009, 2541, 2583, 3157, 4059, 4851, 4961, 5929, 6027, 7623, 9471, 14883, 17787, 18081, 22099, 28413, 34727, 44649, 53361, 66297, 104181, 198891, 243089, 312543, 729267, 2187801]

約数ペア:

[(1, 2187801), (3, 729267), (7, 312543), (9, 243089), (11, 198891), (21, 104181), (33, 66297), (41, 53361), (49, 44649), (63, 34727), (77, 28413), (99, 22099), (121, 18081), (123, 17787), (147, 14883), (231, 9471), (287, 7623), (363, 6027), (369, 5929), (441, 4961), (451, 4851), (539, 4059), (693, 3157), (847, 2583), (861, 2541), (1089, 2009), (1353, 1617)]