128241519

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{165047}}^1$

素因数の和:165094

約数の個数: 16

約数和(自身を含む): 200698368

約数和(自身を除く): 72456849

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 165047, 495141, 1155329, 3465987, 6106739, 18320217, 42747173, 128241519]

約数ペア:

[(1, 128241519), (3, 42747173), (7, 18320217), (21, 6106739), (37, 3465987), (111, 1155329), (259, 495141), (777, 165047)]