64235775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 113992704

約数和(自身を除く): 49756929

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 249, 255, 415, 425, 607, 1245, 1275, 1411, 1821, 2075, 3035, 4233, 6225, 7055, 9105, 10319, 15175, 21165, 30957, 35275, 45525, 50381, 51595, 105825, 151143, 154785, 251905, 257975, 755715, 773925, 856477, 1259525, 2569431, 3778575, 4282385, 12847155, 21411925, 64235775]

約数ペア:

[(1, 64235775), (3, 21411925), (5, 12847155), (15, 4282385), (17, 3778575), (25, 2569431), (51, 1259525), (75, 856477), (83, 773925), (85, 755715), (249, 257975), (255, 251905), (415, 154785), (425, 151143), (607, 105825), (1245, 51595), (1275, 50381), (1411, 45525), (1821, 35275), (2075, 30957), (3035, 21165), (4233, 15175), (6225, 10319), (7055, 9105)]