1296999

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:428

約数の個数: 24

約数和(自身を含む): 2117360

約数和(自身を除く): 820361

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 397, 1089, 1191, 3267, 3573, 4367, 10719, 13101, 39303, 48037, 117909, 144111, 432333, 1296999]

約数ペア:

[(1, 1296999), (3, 432333), (9, 144111), (11, 117909), (27, 48037), (33, 39303), (99, 13101), (121, 10719), (297, 4367), (363, 3573), (397, 3267), (1089, 1191)]