28540501941

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{208223}}^1$

素因数の和:208401

約数の個数: 32

約数和(自身を含む): 44616572928

約数和(自身を除く): 16076070987

約数列:

[1, 3, 7, 21, 61, 107, 183, 321, 427, 749, 1281, 2247, 6527, 19581, 45689, 137067, 208223, 624669, 1457561, 4372683, 12701603, 22279861, 38104809, 66839583, 88911221, 155959027, 266733663, 467877081, 1359071521, 4077214563, 9513500647, 28540501941]

約数ペア:

[(1, 28540501941), (3, 9513500647), (7, 4077214563), (21, 1359071521), (61, 467877081), (107, 266733663), (183, 155959027), (321, 88911221), (427, 66839583), (749, 38104809), (1281, 22279861), (2247, 12701603), (6527, 4372683), (19581, 1457561), (45689, 624669), (137067, 208223)]