78720651

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2903}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 119598336

約数和(自身を除く): 40877685

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 1179, 2903, 3013, 8709, 9039, 26127, 27117, 66769, 200307, 380293, 600921, 1140879, 3422637, 8746739, 26240217, 78720651]

約数ペア:

[(1, 78720651), (3, 26240217), (9, 8746739), (23, 3422637), (69, 1140879), (131, 600921), (207, 380293), (393, 200307), (1179, 66769), (2903, 27117), (3013, 26127), (8709, 9039)]