2561587203

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1718033}}^1$

素因数の和:1718114

約数の個数: 16

約数和(自身を含む): 3958350336

約数和(自身を除く): 1396763133

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1718033, 5154099, 12026231, 36078693, 121980343, 365941029, 853862401, 2561587203]

約数ペア:

[(1, 2561587203), (3, 853862401), (7, 365941029), (21, 121980343), (71, 36078693), (213, 12026231), (497, 5154099), (1491, 1718033)]