13210155

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2025

約数の個数: 48

約数和(自身を含む): 27332640

約数和(自身を除く): 14122485

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 1997, 2205, 5991, 6615, 9985, 13979, 17973, 29955, 41937, 53919, 69895, 89865, 97853, 125811, 209685, 269595, 293559, 377433, 489265, 629055, 880677, 1467795, 1887165, 2642031, 4403385, 13210155]

約数ペア:

[(1, 13210155), (3, 4403385), (5, 2642031), (7, 1887165), (9, 1467795), (15, 880677), (21, 629055), (27, 489265), (35, 377433), (45, 293559), (49, 269595), (63, 209685), (105, 125811), (135, 97853), (147, 89865), (189, 69895), (245, 53919), (315, 41937), (441, 29955), (735, 17973), (945, 13979), (1323, 9985), (1997, 6615), (2205, 5991)]