161748321

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{187861}}^1$

素因数の和:187912

約数の個数: 16

約数和(自身を含む): 252486528

約数和(自身を除く): 90738207

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 187861, 563583, 1315027, 3945081, 7702301, 23106903, 53916107, 161748321]

約数ペア:

[(1, 161748321), (3, 53916107), (7, 23106903), (21, 7702301), (41, 3945081), (123, 1315027), (287, 563583), (861, 187861)]