289167921

素因数分解:

$3^3\times 7^1\times {\mathrm{1529989}}^1$

素因数の和:1530005

約数の個数: 16

約数和(自身を含む): 489596800

約数和(自身を除く): 200428879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1529989, 4589967, 10709923, 13769901, 32129769, 41309703, 96389307, 289167921]

約数ペア:

[(1, 289167921), (3, 96389307), (7, 41309703), (9, 32129769), (21, 13769901), (27, 10709923), (63, 4589967), (189, 1529989)]