209964159

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{630523}}^1$

素因数の和:630566

約数の個数: 12

約数和(自身を含む): 311478856

約数和(自身を除く): 101514697

約数列:

[1, 3, 9, 37, 111, 333, 630523, 1891569, 5674707, 23329351, 69988053, 209964159]

約数ペア:

[(1, 209964159), (3, 69988053), (9, 23329351), (37, 5674707), (111, 1891569), (333, 630523)]