13138905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 23400576

約数和(自身を除く): 10261671

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 73, 169, 195, 213, 219, 355, 365, 507, 845, 923, 949, 1065, 1095, 2535, 2769, 2847, 4615, 4745, 5183, 11999, 12337, 13845, 14235, 15549, 25915, 35997, 37011, 59995, 61685, 67379, 77745, 179985, 185055, 202137, 336895, 875927, 1010685, 2627781, 4379635, 13138905]

約数ペア:

[(1, 13138905), (3, 4379635), (5, 2627781), (13, 1010685), (15, 875927), (39, 336895), (65, 202137), (71, 185055), (73, 179985), (169, 77745), (195, 67379), (213, 61685), (219, 59995), (355, 37011), (365, 35997), (507, 25915), (845, 15549), (923, 14235), (949, 13845), (1065, 12337), (1095, 11999), (2535, 5183), (2769, 4745), (2847, 4615)]