17196921

素因数分解:

$3^3\times 7^1\times {\mathrm{90989}}^1$

素因数の和:91005

約数の個数: 16

約数和(自身を含む): 29116800

約数和(自身を除く): 11919879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 90989, 272967, 636923, 818901, 1910769, 2456703, 5732307, 17196921]

約数ペア:

[(1, 17196921), (3, 5732307), (7, 2456703), (9, 1910769), (21, 818901), (27, 636923), (63, 272967), (189, 90989)]