31988439

素因数分解:

$3^4\times 7^1\times {\mathrm{56417}}^1$

素因数の和:56436

約数の個数: 20

約数和(自身を含む): 54612624

約数和(自身を除く): 22624185

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 56417, 169251, 394919, 507753, 1184757, 1523259, 3554271, 4569777, 10662813, 31988439]

約数ペア:

[(1, 31988439), (3, 10662813), (7, 4569777), (9, 3554271), (21, 1523259), (27, 1184757), (63, 507753), (81, 394919), (189, 169251), (567, 56417)]