87656121

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2591}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 149299200

約数和(自身を除く): 61643079

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 537, 1253, 1611, 2591, 3759, 4833, 7773, 11277, 18137, 23319, 33831, 54411, 69957, 163233, 463789, 489699, 1391367, 3246523, 4174101, 9739569, 12522303, 29218707, 87656121]

約数ペア:

[(1, 87656121), (3, 29218707), (7, 12522303), (9, 9739569), (21, 4174101), (27, 3246523), (63, 1391367), (179, 489699), (189, 463789), (537, 163233), (1253, 69957), (1611, 54411), (2591, 33831), (3759, 23319), (4833, 18137), (7773, 11277)]