2008981755

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{8999}}^1$

素因数の和:9073

約数の個数: 72

約数和(自身を含む): 3921372000

約数和(自身を除く): 1912390245

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 121, 123, 165, 205, 363, 369, 451, 495, 605, 615, 1089, 1353, 1815, 1845, 2255, 4059, 4961, 5445, 6765, 8999, 14883, 20295, 24805, 26997, 44649, 44995, 74415, 80991, 98989, 134985, 223245, 296967, 368959, 404955, 494945, 890901, 1088879, 1106877, 1484835, 1844795, 3266637, 3320631, 4058549, 4454505, 5444395, 5534385, 9799911, 12175647, 16333185, 16603155, 20292745, 36526941, 44644039, 48999555, 60878235, 133932117, 182634705, 223220195, 401796351, 669660585, 2008981755]

約数ペア:

[(1, 2008981755), (3, 669660585), (5, 401796351), (9, 223220195), (11, 182634705), (15, 133932117), (33, 60878235), (41, 48999555), (45, 44644039), (55, 36526941), (99, 20292745), (121, 16603155), (123, 16333185), (165, 12175647), (205, 9799911), (363, 5534385), (369, 5444395), (451, 4454505), (495, 4058549), (605, 3320631), (615, 3266637), (1089, 1844795), (1353, 1484835), (1815, 1106877), (1845, 1088879), (2255, 890901), (4059, 494945), (4961, 404955), (5445, 368959), (6765, 296967), (8999, 223245), (14883, 134985), (20295, 98989), (24805, 80991), (26997, 74415), (44649, 44995)]