201786975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 392683200

約数和(自身を除く): 190896225

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 149, 195, 225, 325, 447, 463, 585, 745, 975, 1341, 1389, 1937, 2235, 2315, 2925, 3725, 4167, 5811, 6019, 6705, 6945, 9685, 11175, 11575, 17433, 18057, 20835, 29055, 30095, 33525, 34725, 48425, 54171, 68987, 87165, 90285, 104175, 145275, 150475, 206961, 270855, 344935, 435825, 451425, 620883, 896831, 1034805, 1354275, 1724675, 2690493, 3104415, 4484155, 5174025, 8071479, 13452465, 15522075, 22420775, 40357395, 67262325, 201786975]

約数ペア:

[(1, 201786975), (3, 67262325), (5, 40357395), (9, 22420775), (13, 15522075), (15, 13452465), (25, 8071479), (39, 5174025), (45, 4484155), (65, 3104415), (75, 2690493), (117, 1724675), (149, 1354275), (195, 1034805), (225, 896831), (325, 620883), (447, 451425), (463, 435825), (585, 344935), (745, 270855), (975, 206961), (1341, 150475), (1389, 145275), (1937, 104175), (2235, 90285), (2315, 87165), (2925, 68987), (3725, 54171), (4167, 48425), (5811, 34725), (6019, 33525), (6705, 30095), (6945, 29055), (9685, 20835), (11175, 18057), (11575, 17433)]