156945339

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{917809}}^1$

素因数の和:917834

約数の個数: 12

約数和(自身を含む): 238630600

約数和(自身を除く): 81685261

約数列:

[1, 3, 9, 19, 57, 171, 917809, 2753427, 8260281, 17438371, 52315113, 156945339]

約数ペア:

[(1, 156945339), (3, 52315113), (9, 17438371), (19, 8260281), (57, 2753427), (171, 917809)]