128185617

素因数分解:

$3^1\times 7^3\times {\mathrm{347}}^1\times {\mathrm{359}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 200448000

約数和(自身を除く): 72262383

約数列:

[1, 3, 7, 21, 49, 147, 343, 347, 359, 1029, 1041, 1077, 2429, 2513, 7287, 7539, 17003, 17591, 51009, 52773, 119021, 123137, 124573, 357063, 369411, 373719, 872011, 2616033, 6104077, 18312231, 42728539, 128185617]

約数ペア:

[(1, 128185617), (3, 42728539), (7, 18312231), (21, 6104077), (49, 2616033), (147, 872011), (343, 373719), (347, 369411), (359, 357063), (1029, 124573), (1041, 123137), (1077, 119021), (2429, 52773), (2513, 51009), (7287, 17591), (7539, 17003)]