30905469

素因数分解:

$3^5\times 7^1\times {\mathrm{18169}}^1$

素因数の和:18191

約数の個数: 24

約数和(自身を含む): 52911040

約数和(自身を除く): 22005571

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 18169, 54507, 127183, 163521, 381549, 490563, 1144647, 1471689, 3433941, 4415067, 10301823, 30905469]

約数ペア:

[(1, 30905469), (3, 10301823), (7, 4415067), (9, 3433941), (21, 1471689), (27, 1144647), (63, 490563), (81, 381549), (189, 163521), (243, 127183), (567, 54507), (1701, 18169)]