28025379

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 15059421

約数列:

[1, 3, 9, 27, 43, 101, 129, 239, 303, 387, 717, 909, 1161, 2151, 2727, 4343, 6453, 10277, 13029, 24139, 30831, 39087, 72417, 92493, 117261, 217251, 277479, 651753, 1037977, 3113931, 9341793, 28025379]

約数ペア:

[(1, 28025379), (3, 9341793), (9, 3113931), (27, 1037977), (43, 651753), (101, 277479), (129, 217251), (239, 117261), (303, 92493), (387, 72417), (717, 39087), (909, 30831), (1161, 24139), (2151, 13029), (2727, 10277), (4343, 6453)]