2178561

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9431}}^1$

素因数の和:9452

約数の個数: 16

約数和(自身を含む): 3621888

約数和(自身を除く): 1443327

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 9431, 28293, 66017, 103741, 198051, 311223, 726187, 2178561]

約数ペア:

[(1, 2178561), (3, 726187), (7, 311223), (11, 198051), (21, 103741), (33, 66017), (77, 28293), (231, 9431)]