257044725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{54401}}^1$

素因数の和:54427

約数の個数: 48

約数和(自身を含む): 539667840

約数和(自身を除く): 282623115

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 54401, 163203, 272005, 380807, 489609, 816015, 1142421, 1360025, 1468827, 1904035, 2448045, 3427263, 4080075, 5712105, 7344135, 9520175, 10281789, 12240225, 17136315, 28560525, 36720675, 51408945, 85681575, 257044725]

約数ペア:

[(1, 257044725), (3, 85681575), (5, 51408945), (7, 36720675), (9, 28560525), (15, 17136315), (21, 12240225), (25, 10281789), (27, 9520175), (35, 7344135), (45, 5712105), (63, 4080075), (75, 3427263), (105, 2448045), (135, 1904035), (175, 1468827), (189, 1360025), (225, 1142421), (315, 816015), (525, 489609), (675, 380807), (945, 272005), (1575, 163203), (4725, 54401)]