7240509

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1342

約数の個数: 20

約数和(自身を含む): 10977120

約数和(自身を除く): 3736611

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1259, 1917, 3777, 5751, 11331, 33993, 89389, 101979, 268167, 804501, 2413503, 7240509]

約数ペア:

[(1, 7240509), (3, 2413503), (9, 804501), (27, 268167), (71, 101979), (81, 89389), (213, 33993), (639, 11331), (1259, 5751), (1917, 3777)]