140321251

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{150721}}^1$

素因数の和:150754

約数の個数: 12

約数和(自身を含む): 171823080

約数和(自身を除く): 31501829

約数列:

[1, 7, 19, 49, 133, 931, 150721, 1055047, 2863699, 7385329, 20045893, 140321251]

約数ペア:

[(1, 140321251), (7, 20045893), (19, 7385329), (49, 2863699), (133, 1055047), (931, 150721)]