28430649

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 45843840

約数和(自身を除く): 17413191

約数列:

[1, 3, 9, 13, 27, 39, 107, 117, 321, 351, 757, 963, 1391, 2271, 2889, 4173, 6813, 9841, 12519, 20439, 29523, 37557, 80999, 88569, 242997, 265707, 728991, 1052987, 2186973, 3158961, 9476883, 28430649]

約数ペア:

[(1, 28430649), (3, 9476883), (9, 3158961), (13, 2186973), (27, 1052987), (39, 728991), (107, 265707), (117, 242997), (321, 88569), (351, 80999), (757, 37557), (963, 29523), (1391, 20439), (2271, 12519), (2889, 9841), (4173, 6813)]