128354985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2143}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 244827648

約数和(自身を除く): 116472663

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1331, 1815, 2143, 3993, 5445, 6429, 6655, 10715, 11979, 19287, 19965, 23573, 32145, 59895, 70719, 96435, 117865, 212157, 259303, 353595, 777909, 1060785, 1296515, 2333727, 2852333, 3889545, 8556999, 11668635, 14261665, 25670997, 42784995, 128354985]

約数ペア:

[(1, 128354985), (3, 42784995), (5, 25670997), (9, 14261665), (11, 11668635), (15, 8556999), (33, 3889545), (45, 2852333), (55, 2333727), (99, 1296515), (121, 1060785), (165, 777909), (363, 353595), (495, 259303), (605, 212157), (1089, 117865), (1331, 96435), (1815, 70719), (2143, 59895), (3993, 32145), (5445, 23573), (6429, 19965), (6655, 19287), (10715, 11979)]