55132281

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 85587840

約数和(自身を除く): 30455559

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 239, 361, 639, 717, 1083, 1349, 2151, 3249, 4047, 4541, 12141, 13623, 16969, 25631, 40869, 50907, 76893, 86279, 152721, 230679, 258837, 322411, 776511, 967233, 2901699, 6125809, 18377427, 55132281]

約数ペア:

[(1, 55132281), (3, 18377427), (9, 6125809), (19, 2901699), (57, 967233), (71, 776511), (171, 322411), (213, 258837), (239, 230679), (361, 152721), (639, 86279), (717, 76893), (1083, 50907), (1349, 40869), (2151, 25631), (3249, 16969), (4047, 13623), (4541, 12141)]