891216477

素因数分解:

$3^2\times {\mathrm{179}}^1\times {\mathrm{553207}}^1$

素因数の和:553392

約数の個数: 12

約数和(自身を含む): 1294506720

約数和(自身を除く): 403290243

約数列:

[1, 3, 9, 179, 537, 1611, 553207, 1659621, 4978863, 99024053, 297072159, 891216477]

約数ペア:

[(1, 891216477), (3, 297072159), (9, 99024053), (179, 4978863), (537, 1659621), (1611, 553207)]