205492815

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2045

約数の個数: 64

約数和(自身を含む): 404352000

約数和(自身を除く): 198859185

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 99, 135, 165, 213, 297, 355, 495, 639, 781, 1065, 1485, 1917, 1949, 2343, 3195, 3905, 5847, 7029, 9585, 9745, 11715, 17541, 21087, 21439, 29235, 35145, 52623, 64317, 87705, 105435, 107195, 138379, 192951, 263115, 321585, 415137, 578853, 691895, 964755, 1245411, 1522169, 2075685, 2894265, 3736233, 4566507, 6227055, 7610845, 13699521, 18681165, 22832535, 41098563, 68497605, 205492815]

約数ペア:

[(1, 205492815), (3, 68497605), (5, 41098563), (9, 22832535), (11, 18681165), (15, 13699521), (27, 7610845), (33, 6227055), (45, 4566507), (55, 3736233), (71, 2894265), (99, 2075685), (135, 1522169), (165, 1245411), (213, 964755), (297, 691895), (355, 578853), (495, 415137), (639, 321585), (781, 263115), (1065, 192951), (1485, 138379), (1917, 107195), (1949, 105435), (2343, 87705), (3195, 64317), (3905, 52623), (5847, 35145), (7029, 29235), (9585, 21439), (9745, 21087), (11715, 17541)]