12887259

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 9009957

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1187, 1551, 3561, 3619, 8309, 10857, 13057, 24927, 39171, 55789, 91399, 167367, 274197, 390523, 613679, 1171569, 1841037, 4295753, 12887259]

約数ペア:

[(1, 12887259), (3, 4295753), (7, 1841037), (11, 1171569), (21, 613679), (33, 390523), (47, 274197), (77, 167367), (141, 91399), (231, 55789), (329, 39171), (517, 24927), (987, 13057), (1187, 10857), (1551, 8309), (3561, 3619)]