30717729

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3559}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 51093120

約数和(自身を除く): 20375391

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 3559, 8631, 10677, 24913, 32031, 74739, 224217, 487583, 1462749, 3413081, 4388247, 10239243, 30717729]

約数ペア:

[(1, 30717729), (3, 10239243), (7, 4388247), (9, 3413081), (21, 1462749), (63, 487583), (137, 224217), (411, 74739), (959, 32031), (1233, 24913), (2877, 10677), (3559, 8631)]