621738693

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{324329}}^1$

素因数の和:324409

約数の個数: 16

約数和(自身を含む): 934070400

約数和(自身を除く): 312331707

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 324329, 972987, 2918961, 8756883, 23027359, 69082077, 207246231, 621738693]

約数ペア:

[(1, 621738693), (3, 207246231), (9, 69082077), (27, 23027359), (71, 8756883), (213, 2918961), (639, 972987), (1917, 324329)]