66481317

素因数分解:

$3^4\times 7^1\times {\mathrm{117251}}^1$

素因数の和:117270

約数の個数: 20

約数和(自身を含む): 113499936

約数和(自身を除く): 47018619

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 117251, 351753, 820757, 1055259, 2462271, 3165777, 7386813, 9497331, 22160439, 66481317]

約数ペア:

[(1, 66481317), (3, 22160439), (7, 9497331), (9, 7386813), (21, 3165777), (27, 2462271), (63, 1055259), (81, 820757), (189, 351753), (567, 117251)]