13131321

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 21577728

約数和(自身を除く): 8446407

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 877, 2139, 2631, 4991, 6139, 14973, 18417, 20171, 27187, 60513, 81561, 141197, 190309, 423591, 570927, 625301, 1875903, 4377107, 13131321]

約数ペア:

[(1, 13131321), (3, 4377107), (7, 1875903), (21, 625301), (23, 570927), (31, 423591), (69, 190309), (93, 141197), (161, 81561), (217, 60513), (483, 27187), (651, 20171), (713, 18417), (877, 14973), (2139, 6139), (2631, 4991)]