12821697

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4733}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 21662784

約数和(自身を除く): 8841087

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4733, 14199, 33131, 42597, 99393, 203519, 298179, 610557, 1424633, 1831671, 4273899, 12821697]

約数ペア:

[(1, 12821697), (3, 4273899), (7, 1831671), (9, 1424633), (21, 610557), (43, 298179), (63, 203519), (129, 99393), (301, 42597), (387, 33131), (903, 14199), (2709, 4733)]