12681225

素因数分解:

$3^3\times 5^2\times {\mathrm{18787}}^1$

素因数の和:18806

約数の個数: 24

約数和(自身を含む): 23297120

約数和(自身を除く): 10615895

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 18787, 56361, 93935, 169083, 281805, 469675, 507249, 845415, 1409025, 2536245, 4227075, 12681225]

約数ペア:

[(1, 12681225), (3, 4227075), (5, 2536245), (9, 1409025), (15, 845415), (25, 507249), (27, 469675), (45, 281805), (75, 169083), (135, 93935), (225, 56361), (675, 18787)]