81369939

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{32561}}^1$

素因数の和:32595

約数の個数: 24

約数和(自身を含む): 133634448

約数和(自身を除く): 52264509

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 32561, 97683, 227927, 553537, 683781, 1595489, 1660611, 3874759, 4786467, 11624277, 27123313, 81369939]

約数ペア:

[(1, 81369939), (3, 27123313), (7, 11624277), (17, 4786467), (21, 3874759), (49, 1660611), (51, 1595489), (119, 683781), (147, 553537), (357, 227927), (833, 97683), (2499, 32561)]