221377131

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{17189}}^1$

素因数の和:17257

約数の個数: 24

約数和(自身を含む): 337886640

約数和(自身を除く): 116509509

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 4293, 12879, 17189, 51567, 154701, 464103, 911017, 1392309, 2733051, 4176927, 8199153, 24597459, 73792377, 221377131]

約数ペア:

[(1, 221377131), (3, 73792377), (9, 24597459), (27, 8199153), (53, 4176927), (81, 2733051), (159, 1392309), (243, 911017), (477, 464103), (1431, 154701), (4293, 51567), (12879, 17189)]