391302018

素因数分解:

$2^1\times 3^2\times {\mathrm{21739001}}^1$

素因数の和:21739009

約数の個数: 12

約数和(自身を含む): 847821078

約数和(自身を除く): 456519060

約数列:

[1, 2, 3, 6, 9, 18, 21739001, 43478002, 65217003, 130434006, 195651009, 391302018]

約数ペア:

[(1, 391302018), (2, 195651009), (3, 130434006), (6, 65217003), (9, 43478002), (18, 21739001)]