56664225

素因数分解:

$3^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 105072640

約数和(自身を除く): 48408415

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 127, 135, 225, 381, 635, 661, 675, 1143, 1905, 1983, 3175, 3305, 3429, 5715, 5949, 9525, 9915, 16525, 17145, 17847, 28575, 29745, 49575, 83947, 85725, 89235, 148725, 251841, 419735, 446175, 755523, 1259205, 2098675, 2266569, 3777615, 6296025, 11332845, 18888075, 56664225]

約数ペア:

[(1, 56664225), (3, 18888075), (5, 11332845), (9, 6296025), (15, 3777615), (25, 2266569), (27, 2098675), (45, 1259205), (75, 755523), (127, 446175), (135, 419735), (225, 251841), (381, 148725), (635, 89235), (661, 85725), (675, 83947), (1143, 49575), (1905, 29745), (1983, 28575), (3175, 17847), (3305, 17145), (3429, 16525), (5715, 9915), (5949, 9525)]