81677583

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 36

約数和(自身を含む): 129801672

約数和(自身を除く): 48124089

約数列:

[1, 3, 9, 13, 39, 73, 117, 131, 219, 393, 657, 949, 1179, 1703, 2847, 5109, 5329, 8541, 9563, 15327, 15987, 28689, 47961, 69277, 86067, 124319, 207831, 372957, 623493, 698099, 1118871, 2094297, 6282891, 9075287, 27225861, 81677583]

約数ペア:

[(1, 81677583), (3, 27225861), (9, 9075287), (13, 6282891), (39, 2094297), (73, 1118871), (117, 698099), (131, 623493), (219, 372957), (393, 207831), (657, 124319), (949, 86067), (1179, 69277), (1703, 47961), (2847, 28689), (5109, 15987), (5329, 15327), (8541, 9563)]