12478425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{9787}}^1$

素因数の和:9817

約数の個数: 24

約数和(自身を含む): 21846816

約数和(自身を除く): 9368391

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 9787, 29361, 48935, 146805, 166379, 244675, 499137, 734025, 831895, 2495685, 4159475, 12478425]

約数ペア:

[(1, 12478425), (3, 4159475), (5, 2495685), (15, 831895), (17, 734025), (25, 499137), (51, 244675), (75, 166379), (85, 146805), (255, 48935), (425, 29361), (1275, 9787)]