261492138

素因数分解:

$2^1\times 3^4\times {\mathrm{1614149}}^1$

素因数の和:1614163

約数の個数: 20

約数和(自身を含む): 585936450

約数和(自身を除く): 324444312

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1614149, 3228298, 4842447, 9684894, 14527341, 29054682, 43582023, 87164046, 130746069, 261492138]

約数ペア:

[(1, 261492138), (2, 130746069), (3, 87164046), (6, 43582023), (9, 29054682), (18, 14527341), (27, 9684894), (54, 4842447), (81, 3228298), (162, 1614149)]