42129279

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{4871}}^1$

素因数の和:4939

約数の個数: 18

約数和(自身を含む): 62892648

約数和(自身を除く): 20763369

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 4871, 8649, 14613, 43839, 151001, 453003, 1359009, 4681031, 14043093, 42129279]

約数ペア:

[(1, 42129279), (3, 14043093), (9, 4681031), (31, 1359009), (93, 453003), (279, 151001), (961, 43839), (2883, 14613), (4871, 8649)]