257559939

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{104827}}^1$

素因数の和:104856

約数の個数: 32

約数和(自身を含む): 469629440

約数和(自身を除く): 212069501

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 104827, 314481, 733789, 943443, 1362751, 2201367, 2830329, 4088253, 6604101, 9539257, 12264759, 19812303, 28617771, 36794277, 85853313, 257559939]

約数ペア:

[(1, 257559939), (3, 85853313), (7, 36794277), (9, 28617771), (13, 19812303), (21, 12264759), (27, 9539257), (39, 6604101), (63, 4088253), (91, 2830329), (117, 2201367), (189, 1362751), (273, 943443), (351, 733789), (819, 314481), (2457, 104827)]