40457007

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{63313}}^1$

素因数の和:63390

約数の個数: 12

約数和(自身を含む): 59261904

約数和(自身を除く): 18804897

約数列:

[1, 3, 9, 71, 213, 639, 63313, 189939, 569817, 4495223, 13485669, 40457007]

約数ペア:

[(1, 40457007), (3, 13485669), (9, 4495223), (71, 569817), (213, 189939), (639, 63313)]