7894887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 14300160

約数和(自身を除く): 6405273

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 121, 143, 231, 239, 273, 363, 429, 717, 847, 1001, 1573, 1673, 2541, 2629, 3003, 3107, 4719, 5019, 7887, 9321, 11011, 18403, 21749, 28919, 33033, 34177, 55209, 65247, 86757, 102531, 202433, 239239, 375947, 607299, 717717, 1127841, 2631629, 7894887]

約数ペア:

[(1, 7894887), (3, 2631629), (7, 1127841), (11, 717717), (13, 607299), (21, 375947), (33, 239239), (39, 202433), (77, 102531), (91, 86757), (121, 65247), (143, 55209), (231, 34177), (239, 33033), (273, 28919), (363, 21749), (429, 18403), (717, 11011), (847, 9321), (1001, 7887), (1573, 5019), (1673, 4719), (2541, 3107), (2629, 3003)]