129978321

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{1697}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 191507232

約数和(自身を除く): 61528911

約数列:

[1, 3, 11, 33, 121, 211, 363, 633, 1697, 2321, 5091, 6963, 18667, 25531, 56001, 76593, 205337, 358067, 616011, 1074201, 3938737, 11816211, 43326107, 129978321]

約数ペア:

[(1, 129978321), (3, 43326107), (11, 11816211), (33, 3938737), (121, 1074201), (211, 616011), (363, 358067), (633, 205337), (1697, 76593), (2321, 56001), (5091, 25531), (6963, 18667)]