40280121

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{14869}}^1$

素因数の和:14925

約数の個数: 24

約数和(自身を含む): 68045120

約数和(自身を除く): 27764999

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 14869, 44607, 104083, 133821, 312249, 639367, 936747, 1918101, 4475569, 5754303, 13426707, 40280121]

約数ペア:

[(1, 40280121), (3, 13426707), (7, 5754303), (9, 4475569), (21, 1918101), (43, 936747), (63, 639367), (129, 312249), (301, 133821), (387, 104083), (903, 44607), (2709, 14869)]