2019251715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 3553320960

約数和(自身を除く): 1534069245

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 169, 195, 213, 355, 507, 845, 863, 923, 1065, 2197, 2535, 2589, 2769, 4315, 4615, 6591, 10985, 11219, 11999, 12945, 13845, 32955, 33657, 35997, 56095, 59995, 61273, 145847, 155987, 168285, 179985, 183819, 306365, 437541, 467961, 729235, 779935, 796549, 919095, 1896011, 2187705, 2339805, 2389647, 3982745, 5688033, 9480055, 10355137, 11948235, 28440165, 31065411, 51775685, 134616781, 155327055, 403850343, 673083905, 2019251715]

約数ペア:

[(1, 2019251715), (3, 673083905), (5, 403850343), (13, 155327055), (15, 134616781), (39, 51775685), (65, 31065411), (71, 28440165), (169, 11948235), (195, 10355137), (213, 9480055), (355, 5688033), (507, 3982745), (845, 2389647), (863, 2339805), (923, 2187705), (1065, 1896011), (2197, 919095), (2535, 796549), (2589, 779935), (2769, 729235), (4315, 467961), (4615, 437541), (6591, 306365), (10985, 183819), (11219, 179985), (11999, 168285), (12945, 155987), (13845, 145847), (32955, 61273), (33657, 59995), (35997, 56095)]