2725905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 5370624

約数和(自身を除く): 2644719

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1997, 5991, 9985, 13979, 25961, 29955, 41937, 69895, 77883, 129805, 181727, 209685, 389415, 545181, 908635, 2725905]

約数ペア:

[(1, 2725905), (3, 908635), (5, 545181), (7, 389415), (13, 209685), (15, 181727), (21, 129805), (35, 77883), (39, 69895), (65, 41937), (91, 29955), (105, 25961), (195, 13979), (273, 9985), (455, 5991), (1365, 1997)]