161854443

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{3023}}^1$

素因数の和:3696

約数の個数: 20

約数和(自身を含む): 242228448

約数和(自身を除く): 80374005

約数列:

[1, 3, 9, 27, 81, 661, 1983, 3023, 5949, 9069, 17847, 27207, 53541, 81621, 244863, 1998203, 5994609, 17983827, 53951481, 161854443]

約数ペア:

[(1, 161854443), (3, 53951481), (9, 17983827), (27, 5994609), (81, 1998203), (661, 244863), (1983, 81621), (3023, 53541), (5949, 27207), (9069, 17847)]