30897531

素因数分解:

$3^4\times 7^1\times {\mathrm{54493}}^1$

素因数の和:54512

約数の個数: 20

約数和(自身を含む): 52750192

約数和(自身を除く): 21852661

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 54493, 163479, 381451, 490437, 1144353, 1471311, 3433059, 4413933, 10299177, 30897531]

約数ペア:

[(1, 30897531), (3, 10299177), (7, 4413933), (9, 3433059), (21, 1471311), (27, 1144353), (63, 490437), (81, 381451), (189, 163479), (567, 54493)]