2561559

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 4591104

約数和(自身を除く): 2029545

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 853, 1001, 2559, 3003, 5971, 9383, 11089, 17913, 28149, 33267, 65681, 77623, 121979, 197043, 232869, 365937, 853853, 2561559]

約数ペア:

[(1, 2561559), (3, 853853), (7, 365937), (11, 232869), (13, 197043), (21, 121979), (33, 77623), (39, 65681), (77, 33267), (91, 28149), (143, 17913), (231, 11089), (273, 9383), (429, 5971), (853, 3003), (1001, 2559)]