27938911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 40055040

約数和(自身を除く): 12116129

約数列:

[1, 7, 11, 13, 19, 77, 91, 113, 133, 143, 169, 209, 247, 791, 1001, 1183, 1243, 1463, 1469, 1729, 1859, 2147, 2717, 3211, 8701, 10283, 13013, 15029, 16159, 19019, 19097, 22477, 23617, 27911, 35321, 113113, 133679, 165319, 195377, 210067, 247247, 307021, 362843, 1470469, 2149147, 2539901, 3991273, 27938911]

約数ペア:

[(1, 27938911), (7, 3991273), (11, 2539901), (13, 2149147), (19, 1470469), (77, 362843), (91, 307021), (113, 247247), (133, 210067), (143, 195377), (169, 165319), (209, 133679), (247, 113113), (791, 35321), (1001, 27911), (1183, 23617), (1243, 22477), (1463, 19097), (1469, 19019), (1729, 16159), (1859, 15029), (2147, 13013), (2717, 10283), (3211, 8701)]