51986529

素因数分解:

$3^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 89342528

約数和(自身を除く): 37355999

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 277, 331, 567, 831, 993, 1939, 2317, 2493, 2979, 5817, 6951, 7479, 8937, 17451, 20853, 22437, 26811, 52353, 62559, 91687, 157059, 187677, 275061, 641809, 825183, 1925427, 2475549, 5776281, 7426647, 17328843, 51986529]

約数ペア:

[(1, 51986529), (3, 17328843), (7, 7426647), (9, 5776281), (21, 2475549), (27, 1925427), (63, 825183), (81, 641809), (189, 275061), (277, 187677), (331, 157059), (567, 91687), (831, 62559), (993, 52353), (1939, 26811), (2317, 22437), (2493, 20853), (2979, 17451), (5817, 8937), (6951, 7479)]