128798829

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{26951}}^1$

素因数の和:27022

約数の個数: 20

約数和(自身を含む): 195671520

約数和(自身を除く): 66872691

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 26951, 80853, 242559, 727677, 1590109, 2183031, 4770327, 14310981, 42932943, 128798829]

約数ペア:

[(1, 128798829), (3, 42932943), (9, 14310981), (27, 4770327), (59, 2183031), (81, 1590109), (177, 727677), (531, 242559), (1593, 80853), (4779, 26951)]