38940021

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 61746048

約数和(自身を除く): 22806027

約数列:

[1, 3, 9, 27, 37, 61, 71, 81, 111, 183, 213, 243, 333, 549, 639, 999, 1647, 1917, 2257, 2627, 2997, 4331, 4941, 5751, 6771, 7881, 8991, 12993, 14823, 17253, 20313, 23643, 38979, 60939, 70929, 116937, 160247, 182817, 212787, 350811, 480741, 548451, 638361, 1052433, 1442223, 4326669, 12980007, 38940021]

約数ペア:

[(1, 38940021), (3, 12980007), (9, 4326669), (27, 1442223), (37, 1052433), (61, 638361), (71, 548451), (81, 480741), (111, 350811), (183, 212787), (213, 182817), (243, 160247), (333, 116937), (549, 70929), (639, 60939), (999, 38979), (1647, 23643), (1917, 20313), (2257, 17253), (2627, 14823), (2997, 12993), (4331, 8991), (4941, 7881), (5751, 6771)]