73780005

素因数分解:

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

素因数の和:238

約数の個数: 48

約数和(自身を含む): 130709376

約数和(自身を除く): 56929371

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 73, 195, 213, 219, 355, 365, 923, 949, 1065, 1095, 2769, 2847, 4615, 4745, 5183, 5329, 13845, 14235, 15549, 15987, 25915, 26645, 67379, 69277, 77745, 79935, 202137, 207831, 336895, 346385, 378359, 1010685, 1039155, 1135077, 1891795, 4918667, 5675385, 14756001, 24593335, 73780005]

約数ペア:

[(1, 73780005), (3, 24593335), (5, 14756001), (13, 5675385), (15, 4918667), (39, 1891795), (65, 1135077), (71, 1039155), (73, 1010685), (195, 378359), (213, 346385), (219, 336895), (355, 207831), (365, 202137), (923, 79935), (949, 77745), (1065, 69277), (1095, 67379), (2769, 26645), (2847, 25915), (4615, 15987), (4745, 15549), (5183, 14235), (5329, 13845)]