1991378.00000000

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 109283328

約数和(自身を除く): 52258437

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 63, 77, 81, 99, 123, 189, 223, 231, 287, 297, 369, 451, 567, 669, 693, 861, 891, 1107, 1353, 1561, 2007, 2079, 2453, 2583, 3157, 3321, 4059, 4683, 6021, 6237, 7359, 7749, 9143, 9471, 12177, 14049, 17171, 18063, 22077, 23247, 27429, 28413, 36531, 42147, 51513, 64001, 66231, 82287, 85239, 100573, 126441, 154539, 192003, 198693, 246861, 255717, 301719, 463617, 576009, 704011, 740583, 905157, 1390851, 1728027, 2112033, 2715471, 5184081, 6336099, 8146413, 19008297, 57024891]

約数ペア:

[(1, 57024891), (3, 19008297), (7, 8146413), (9, 6336099), (11, 5184081), (21, 2715471), (27, 2112033), (33, 1728027), (41, 1390851), (63, 905157), (77, 740583), (81, 704011), (99, 576009), (123, 463617), (189, 301719), (223, 255717), (231, 246861), (287, 198693), (297, 192003), (369, 154539), (451, 126441), (567, 100573), (669, 85239), (693, 82287), (861, 66231), (891, 64001), (1107, 51513), (1353, 42147), (1561, 36531), (2007, 28413), (2079, 27429), (2453, 23247), (2583, 22077), (3157, 18063), (3321, 17171), (4059, 14049), (4683, 12177), (6021, 9471), (6237, 9143), (7359, 7749)]