25380333

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 42831360

約数和(自身を除く): 17451027

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 103, 131, 171, 209, 309, 393, 627, 927, 1133, 1179, 1441, 1881, 1957, 2489, 3399, 4323, 5871, 7467, 10197, 12969, 13493, 17613, 21527, 22401, 27379, 40479, 64581, 82137, 121437, 148423, 193743, 246411, 256367, 445269, 769101, 1335807, 2307303, 2820037, 8460111, 25380333]

約数ペア:

[(1, 25380333), (3, 8460111), (9, 2820037), (11, 2307303), (19, 1335807), (33, 769101), (57, 445269), (99, 256367), (103, 246411), (131, 193743), (171, 148423), (209, 121437), (309, 82137), (393, 64581), (627, 40479), (927, 27379), (1133, 22401), (1179, 21527), (1441, 17613), (1881, 13493), (1957, 12969), (2489, 10197), (3399, 7467), (4323, 5871)]