28121433

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13147}}^1$

素因数の和:13204

約数の個数: 16

約数和(自身を含む): 40390656

約数和(自身を除く): 12269223

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 13147, 39441, 302381, 407557, 907143, 1222671, 9373811, 28121433]

約数ペア:

[(1, 28121433), (3, 9373811), (23, 1222671), (31, 907143), (69, 407557), (93, 302381), (713, 39441), (2139, 13147)]