1887165

素因数分解:

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

素因数の和:2018

約数の個数: 32

約数和(自身を含む): 3836160

約数和(自身を除く): 1948995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1997, 5991, 9985, 13979, 17973, 29955, 41937, 53919, 69895, 89865, 125811, 209685, 269595, 377433, 629055, 1887165]

約数ペア:

[(1, 1887165), (3, 629055), (5, 377433), (7, 269595), (9, 209685), (15, 125811), (21, 89865), (27, 69895), (35, 53919), (45, 41937), (63, 29955), (105, 17973), (135, 13979), (189, 9985), (315, 5991), (945, 1997)]