339889719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 496082944

約数和(自身を除く): 156193225

約数列:

[1, 3, 13, 39, 127, 163, 381, 421, 489, 1263, 1651, 2119, 4953, 5473, 6357, 16419, 20701, 53467, 62103, 68623, 160401, 205869, 269113, 695071, 807339, 892099, 2085213, 2676297, 8715121, 26145363, 113296573, 339889719]

約数ペア:

[(1, 339889719), (3, 113296573), (13, 26145363), (39, 8715121), (127, 2676297), (163, 2085213), (381, 892099), (421, 807339), (489, 695071), (1263, 269113), (1651, 205869), (2119, 160401), (4953, 68623), (5473, 62103), (6357, 53467), (16419, 20701)]