78940413

素因数分解:

$3^4\times {\mathrm{599}}^1\times {\mathrm{1627}}^1$

素因数の和:2238

約数の個数: 20

約数和(自身を含む): 118192800

約数和(自身を除く): 39252387

約数列:

[1, 3, 9, 27, 81, 599, 1627, 1797, 4881, 5391, 14643, 16173, 43929, 48519, 131787, 974573, 2923719, 8771157, 26313471, 78940413]

約数ペア:

[(1, 78940413), (3, 26313471), (9, 8771157), (27, 2923719), (81, 974573), (599, 131787), (1627, 48519), (1797, 43929), (4881, 16173), (5391, 14643)]