268339281

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1433}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 421986048

約数和(自身を除く): 153646767

約数列:

[1, 3, 7, 21, 37, 111, 241, 259, 723, 777, 1433, 1687, 4299, 5061, 8917, 10031, 26751, 30093, 53021, 62419, 159063, 187257, 345353, 371147, 1036059, 1113441, 2417471, 7252413, 12778061, 38334183, 89446427, 268339281]

約数ペア:

[(1, 268339281), (3, 89446427), (7, 38334183), (21, 12778061), (37, 7252413), (111, 2417471), (241, 1113441), (259, 1036059), (723, 371147), (777, 345353), (1433, 187257), (1687, 159063), (4299, 62419), (5061, 53021), (8917, 30093), (10031, 26751)]