28380027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2027}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 40884480

約数和(自身を除く): 12504453

約数列:

[1, 3, 13, 39, 359, 1077, 2027, 4667, 6081, 14001, 26351, 79053, 727693, 2183079, 9460009, 28380027]

約数ペア:

[(1, 28380027), (3, 9460009), (13, 2183079), (39, 727693), (359, 79053), (1077, 26351), (2027, 14001), (4667, 6081)]