39564963

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{20639}}^1$

素因数の和:20719

約数の個数: 16

約数和(自身を含む): 59443200

約数和(自身を除く): 19878237

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 20639, 61917, 185751, 557253, 1465369, 4396107, 13188321, 39564963]

約数ペア:

[(1, 39564963), (3, 13188321), (9, 4396107), (27, 1465369), (71, 557253), (213, 185751), (639, 61917), (1917, 20639)]