12707121

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 20217600

約数和(自身を除く): 7510479

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 233, 343, 371, 699, 1029, 1113, 1631, 2597, 4893, 7791, 11417, 12349, 18179, 34251, 37047, 54537, 79919, 86443, 239757, 259329, 605101, 1815303, 4235707, 12707121]

約数ペア:

[(1, 12707121), (3, 4235707), (7, 1815303), (21, 605101), (49, 259329), (53, 239757), (147, 86443), (159, 79919), (233, 54537), (343, 37047), (371, 34251), (699, 18179), (1029, 12349), (1113, 11417), (1631, 7791), (2597, 4893)]