31998585

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19571}}^1$

素因数の和:19688

約数の個数: 16

約数和(自身を含む): 51670080

約数和(自身を除く): 19671495

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 19571, 58713, 97855, 293565, 2133239, 6399717, 10666195, 31998585]

約数ペア:

[(1, 31998585), (3, 10666195), (5, 6399717), (15, 2133239), (109, 293565), (327, 97855), (545, 58713), (1635, 19571)]