27978237

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{827}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 19714563

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 537, 827, 1253, 1611, 2481, 3759, 4833, 5789, 7443, 11277, 17367, 22329, 33831, 52101, 148033, 156303, 444099, 1036231, 1332297, 3108693, 3996891, 9326079, 27978237]

約数ペア:

[(1, 27978237), (3, 9326079), (7, 3996891), (9, 3108693), (21, 1332297), (27, 1036231), (63, 444099), (179, 156303), (189, 148033), (537, 52101), (827, 33831), (1253, 22329), (1611, 17367), (2481, 11277), (3759, 7443), (4833, 5789)]