27940927

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 33858000

約数和(自身を除く): 5917073

約数列:

[1, 7, 43, 49, 89, 149, 301, 623, 1043, 2107, 3827, 4361, 6407, 7301, 13261, 26789, 44849, 92827, 187523, 313943, 570223, 649789, 3991561, 27940927]

約数ペア:

[(1, 27940927), (7, 3991561), (43, 649789), (49, 570223), (89, 313943), (149, 187523), (301, 92827), (623, 44849), (1043, 26789), (2107, 13261), (3827, 7301), (4361, 6407)]