145480293

素因数分解:

$3^4\times 7^1\times {\mathrm{256579}}^1$

素因数の和:256598

約数の個数: 20

約数和(自身を含む): 248369440

約数和(自身を除く): 102889147

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 256579, 769737, 1796053, 2309211, 5388159, 6927633, 16164477, 20782899, 48493431, 145480293]

約数ペア:

[(1, 145480293), (3, 48493431), (7, 20782899), (9, 16164477), (21, 6927633), (27, 5388159), (63, 2309211), (81, 1796053), (189, 769737), (567, 256579)]