2051658315

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1129}}^1$

素因数の和:1794

約数の個数: 80

約数和(自身を含む): 4213471680

約数和(自身を除く): 2161813365

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 641, 945, 1129, 1923, 2835, 3205, 3387, 4487, 5645, 5769, 7903, 9615, 10161, 13461, 16935, 17307, 22435, 23709, 28845, 30483, 39515, 40383, 50805, 51921, 67305, 71127, 86535, 91449, 118545, 121149, 152415, 201915, 213381, 259605, 355635, 363447, 457245, 605745, 640143, 723689, 1066905, 1817235, 2171067, 3200715, 3618445, 5065823, 6513201, 10855335, 15197469, 19539603, 25329115, 32566005, 45592407, 58618809, 75987345, 97698015, 136777221, 227962035, 293094045, 410331663, 683886105, 2051658315]

約数ペア:

[(1, 2051658315), (3, 683886105), (5, 410331663), (7, 293094045), (9, 227962035), (15, 136777221), (21, 97698015), (27, 75987345), (35, 58618809), (45, 45592407), (63, 32566005), (81, 25329115), (105, 19539603), (135, 15197469), (189, 10855335), (315, 6513201), (405, 5065823), (567, 3618445), (641, 3200715), (945, 2171067), (1129, 1817235), (1923, 1066905), (2835, 723689), (3205, 640143), (3387, 605745), (4487, 457245), (5645, 363447), (5769, 355635), (7903, 259605), (9615, 213381), (10161, 201915), (13461, 152415), (16935, 121149), (17307, 118545), (22435, 91449), (23709, 86535), (28845, 71127), (30483, 67305), (39515, 51921), (40383, 50805)]