266291271

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1489}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 397937280

約数和(自身を除く): 131646009

約数列:

[1, 3, 9, 31, 93, 279, 641, 1489, 1923, 4467, 5769, 13401, 19871, 46159, 59613, 138477, 178839, 415431, 954449, 2863347, 8590041, 29587919, 88763757, 266291271]

約数ペア:

[(1, 266291271), (3, 88763757), (9, 29587919), (31, 8590041), (93, 2863347), (279, 954449), (641, 415431), (1489, 178839), (1923, 138477), (4467, 59613), (5769, 46159), (13401, 19871)]