420512247

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{283}}^1\times {\mathrm{1543}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 615648384

約数和(自身を除く): 195136137

約数列:

[1, 3, 9, 107, 283, 321, 849, 963, 1543, 2547, 4629, 13887, 30281, 90843, 165101, 272529, 436669, 495303, 1310007, 1485909, 3930021, 46723583, 140170749, 420512247]

約数ペア:

[(1, 420512247), (3, 140170749), (9, 46723583), (107, 3930021), (283, 1485909), (321, 1310007), (849, 495303), (963, 436669), (1543, 272529), (2547, 165101), (4629, 90843), (13887, 30281)]