18676575

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:446

約数の個数: 60

約数和(自身を含む): 36189648

約数和(自身を除く): 17513073

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 401, 405, 575, 621, 675, 1035, 1203, 1725, 1863, 2005, 2025, 3105, 3609, 5175, 6015, 9223, 9315, 10025, 10827, 15525, 18045, 27669, 30075, 32481, 46115, 46575, 54135, 83007, 90225, 138345, 162405, 230575, 249021, 270675, 415035, 691725, 747063, 812025, 1245105, 2075175, 3735315, 6225525, 18676575]

約数ペア:

[(1, 18676575), (3, 6225525), (5, 3735315), (9, 2075175), (15, 1245105), (23, 812025), (25, 747063), (27, 691725), (45, 415035), (69, 270675), (75, 249021), (81, 230575), (115, 162405), (135, 138345), (207, 90225), (225, 83007), (345, 54135), (401, 46575), (405, 46115), (575, 32481), (621, 30075), (675, 27669), (1035, 18045), (1203, 15525), (1725, 10827), (1863, 10025), (2005, 9315), (2025, 9223), (3105, 6015), (3609, 5175)]