2788929

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 4792788

約数和(自身を除く): 2003859

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 197, 363, 429, 591, 1089, 1287, 1573, 1773, 2167, 2561, 4719, 6501, 7683, 14157, 19503, 23049, 23837, 28171, 71511, 84513, 214533, 253539, 309881, 929643, 2788929]

約数ペア:

[(1, 2788929), (3, 929643), (9, 309881), (11, 253539), (13, 214533), (33, 84513), (39, 71511), (99, 28171), (117, 23837), (121, 23049), (143, 19503), (197, 14157), (363, 7683), (429, 6501), (591, 4719), (1089, 2561), (1287, 2167), (1573, 1773)]