1941989805

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{21481}}^1$

素因数の和:21547

約数の個数: 72

約数和(自身を含む): 4011376824

約数和(自身を除く): 2069387019

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 205, 245, 287, 315, 369, 441, 615, 735, 861, 1435, 1845, 2009, 2205, 2583, 4305, 6027, 10045, 12915, 18081, 21481, 30135, 64443, 90405, 107405, 150367, 193329, 322215, 451101, 751835, 880721, 966645, 1052569, 1353303, 2255505, 2642163, 3157707, 4403605, 5262845, 6165047, 6766515, 7926489, 9473121, 13210815, 15788535, 18495141, 30825235, 39632445, 43155329, 47365605, 55485423, 92475705, 129465987, 215776645, 277427115, 388397961, 647329935, 1941989805]

約数ペア:

[(1, 1941989805), (3, 647329935), (5, 388397961), (7, 277427115), (9, 215776645), (15, 129465987), (21, 92475705), (35, 55485423), (41, 47365605), (45, 43155329), (49, 39632445), (63, 30825235), (105, 18495141), (123, 15788535), (147, 13210815), (205, 9473121), (245, 7926489), (287, 6766515), (315, 6165047), (369, 5262845), (441, 4403605), (615, 3157707), (735, 2642163), (861, 2255505), (1435, 1353303), (1845, 1052569), (2009, 966645), (2205, 880721), (2583, 751835), (4305, 451101), (6027, 322215), (10045, 193329), (12915, 150367), (18081, 107405), (21481, 90405), (30135, 64443)]