27888189

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42839}}^1$

素因数の和:42880

約数の個数: 16

約数和(自身を含む): 43868160

約数和(自身を除く): 15979971

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 42839, 128517, 299873, 899619, 1328009, 3984027, 9296063, 27888189]

約数ペア:

[(1, 27888189), (3, 9296063), (7, 3984027), (21, 1328009), (31, 899619), (93, 299873), (217, 128517), (651, 42839)]