27666821

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 24

約数和(自身を含む): 35000280

約数和(自身を除く): 7333459

約数列:

[1, 7, 13, 49, 91, 169, 257, 637, 1183, 1799, 2197, 3341, 8281, 12593, 15379, 23387, 43433, 107653, 163709, 304031, 564629, 2128217, 3952403, 27666821]

約数ペア:

[(1, 27666821), (7, 3952403), (13, 2128217), (49, 564629), (91, 304031), (169, 163709), (257, 107653), (637, 43433), (1183, 23387), (1799, 15379), (2197, 12593), (3341, 8281)]