28971189

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 46838400

約数和(自身を除く): 17867211

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1019, 1053, 2187, 3057, 3159, 9171, 9477, 13247, 27513, 28431, 39741, 82539, 119223, 247617, 357669, 742851, 1073007, 2228553, 3219021, 9657063, 28971189]

約数ペア:

[(1, 28971189), (3, 9657063), (9, 3219021), (13, 2228553), (27, 1073007), (39, 742851), (81, 357669), (117, 247617), (243, 119223), (351, 82539), (729, 39741), (1019, 28431), (1053, 27513), (2187, 13247), (3057, 9477), (3159, 9171)]