2019913605

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{115987}}^1$

素因数の和:116047

約数の個数: 40

約数和(自身を含む): 3705120672

約数和(自身を除く): 1685207067

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 115987, 347961, 579935, 1043883, 1739805, 3131649, 4987441, 5219415, 9394947, 14962323, 15658245, 24937205, 44886969, 46974735, 74811615, 134660907, 224434845, 403982721, 673304535, 2019913605]

約数ペア:

[(1, 2019913605), (3, 673304535), (5, 403982721), (9, 224434845), (15, 134660907), (27, 74811615), (43, 46974735), (45, 44886969), (81, 24937205), (129, 15658245), (135, 14962323), (215, 9394947), (387, 5219415), (405, 4987441), (645, 3131649), (1161, 1739805), (1935, 1043883), (3483, 579935), (5805, 347961), (17415, 115987)]