18330921

素因数分解:

$3^3\times 7^1\times {\mathrm{96989}}^1$

素因数の和:97005

約数の個数: 16

約数和(自身を含む): 31036800

約数和(自身を除く): 12705879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 96989, 290967, 678923, 872901, 2036769, 2618703, 6110307, 18330921]

約数ペア:

[(1, 18330921), (3, 6110307), (7, 2618703), (9, 2036769), (21, 872901), (27, 678923), (63, 290967), (189, 96989)]