217890378

素因数分解:

$2^1\times 3^3\times {\mathrm{4035007}}^1$

素因数の和:4035018

約数の個数: 16

約数和(自身を含む): 484200960

約数和(自身を除く): 266310582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 4035007, 8070014, 12105021, 24210042, 36315063, 72630126, 108945189, 217890378]

約数ペア:

[(1, 217890378), (2, 108945189), (3, 72630126), (6, 36315063), (9, 24210042), (18, 12105021), (27, 8070014), (54, 4035007)]