77321439

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 130099200

約数和(自身を除く): 52777761

約数列:

[1, 3, 9, 13, 27, 39, 43, 47, 109, 117, 129, 141, 327, 351, 387, 423, 559, 611, 981, 1161, 1269, 1417, 1677, 1833, 2021, 2943, 4251, 4687, 5031, 5123, 5499, 6063, 12753, 14061, 15093, 15369, 16497, 18189, 26273, 38259, 42183, 46107, 54567, 60931, 66599, 78819, 126549, 138321, 182793, 199797, 220289, 236457, 548379, 599391, 660867, 709371, 1645137, 1798173, 1982601, 2863757, 5947803, 8591271, 25773813, 77321439]

約数ペア:

[(1, 77321439), (3, 25773813), (9, 8591271), (13, 5947803), (27, 2863757), (39, 1982601), (43, 1798173), (47, 1645137), (109, 709371), (117, 660867), (129, 599391), (141, 548379), (327, 236457), (351, 220289), (387, 199797), (423, 182793), (559, 138321), (611, 126549), (981, 78819), (1161, 66599), (1269, 60931), (1417, 54567), (1677, 46107), (1833, 42183), (2021, 38259), (2943, 26273), (4251, 18189), (4687, 16497), (5031, 15369), (5123, 15093), (5499, 14061), (6063, 12753)]