28179903

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 38912000

約数和(自身を除く): 10732097

約数列:

[1, 3, 37, 111, 127, 381, 1999, 4699, 5997, 14097, 73963, 221889, 253873, 761619, 9393301, 28179903]

約数ペア:

[(1, 28179903), (3, 9393301), (37, 761619), (111, 253873), (127, 221889), (381, 73963), (1999, 14097), (4699, 5997)]