27809509

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 35191800

約数和(自身を除く): 7382291

約数列:

[1, 7, 13, 49, 91, 149, 293, 637, 1043, 1937, 2051, 3809, 7301, 13559, 14357, 26663, 43657, 94913, 186641, 305599, 567541, 2139193, 3972787, 27809509]

約数ペア:

[(1, 27809509), (7, 3972787), (13, 2139193), (49, 567541), (91, 305599), (149, 186641), (293, 94913), (637, 43657), (1043, 26663), (1937, 14357), (2051, 13559), (3809, 7301)]