30507561

素因数分解:

$3^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{709}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 50506560

約数和(自身を除く): 19998999

約数列:

[1, 3, 7, 9, 21, 63, 683, 709, 2049, 2127, 4781, 4963, 6147, 6381, 14343, 14889, 43029, 44667, 484247, 1452741, 3389729, 4358223, 10169187, 30507561]

約数ペア:

[(1, 30507561), (3, 10169187), (7, 4358223), (9, 3389729), (21, 1452741), (63, 484247), (683, 44667), (709, 43029), (2049, 14889), (2127, 14343), (4781, 6381), (4963, 6147)]