201817231

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{34039}}^1$

素因数の和:34075

約数の個数: 18

約数和(自身を含む): 258057240

約数和(自身を除く): 56240009

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 34039, 238273, 374429, 1667911, 2621003, 4118719, 18347021, 28831033, 201817231]

約数ペア:

[(1, 201817231), (7, 28831033), (11, 18347021), (49, 4118719), (77, 2621003), (121, 1667911), (539, 374429), (847, 238273), (5929, 34039)]