13177809

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{4397}}^1$

素因数の和:4446

約数の個数: 20

約数和(自身を含む): 20222004

約数和(自身を除く): 7044195

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 4397, 13191, 39573, 118719, 162689, 356157, 488067, 1464201, 4392603, 13177809]

約数ペア:

[(1, 13177809), (3, 4392603), (9, 1464201), (27, 488067), (37, 356157), (81, 162689), (111, 118719), (333, 39573), (999, 13191), (2997, 4397)]