208939863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 313528320

約数和(自身を除く): 104588457

約数列:

[1, 3, 11, 33, 47, 107, 141, 321, 517, 1177, 1259, 1551, 3531, 3777, 5029, 13849, 15087, 41547, 55319, 59173, 134713, 165957, 177519, 404139, 650903, 1481843, 1952709, 4445529, 6331511, 18994533, 69646621, 208939863]

約数ペア:

[(1, 208939863), (3, 69646621), (11, 18994533), (33, 6331511), (47, 4445529), (107, 1952709), (141, 1481843), (321, 650903), (517, 404139), (1177, 177519), (1259, 165957), (1551, 134713), (3531, 59173), (3777, 55319), (5029, 41547), (13849, 15087)]