9807921

素因数分解:

$3^2\times {\mathrm{509}}^1\times {\mathrm{2141}}^1$

素因数の和:2656

約数の個数: 12

約数和(自身を含む): 14201460

約数和(自身を除く): 4393539

約数列:

[1, 3, 9, 509, 1527, 2141, 4581, 6423, 19269, 1089769, 3269307, 9807921]

約数ペア:

[(1, 9807921), (3, 3269307), (9, 1089769), (509, 19269), (1527, 6423), (2141, 4581)]