128439054

素因数分解:

$2^1\times 3^3\times {\mathrm{2378501}}^1$

素因数の和:2378512

約数の個数: 16

約数和(自身を含む): 285420240

約数和(自身を除く): 156981186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2378501, 4757002, 7135503, 14271006, 21406509, 42813018, 64219527, 128439054]

約数ペア:

[(1, 128439054), (2, 64219527), (3, 42813018), (6, 21406509), (9, 14271006), (18, 7135503), (27, 4757002), (54, 2378501)]