75981555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 145480608

約数和(自身を除く): 69499053

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 103, 117, 169, 195, 291, 309, 485, 507, 515, 585, 845, 873, 927, 1261, 1339, 1455, 1521, 1545, 2535, 3783, 4017, 4365, 4635, 6305, 6695, 7605, 9991, 11349, 12051, 16393, 17407, 18915, 20085, 29973, 49179, 49955, 52221, 56745, 60255, 81965, 87035, 89919, 129883, 147537, 149865, 156663, 245895, 261105, 389649, 449595, 649415, 737685, 783315, 1168947, 1688479, 1948245, 5065437, 5844735, 8442395, 15196311, 25327185, 75981555]

約数ペア:

[(1, 75981555), (3, 25327185), (5, 15196311), (9, 8442395), (13, 5844735), (15, 5065437), (39, 1948245), (45, 1688479), (65, 1168947), (97, 783315), (103, 737685), (117, 649415), (169, 449595), (195, 389649), (291, 261105), (309, 245895), (485, 156663), (507, 149865), (515, 147537), (585, 129883), (845, 89919), (873, 87035), (927, 81965), (1261, 60255), (1339, 56745), (1455, 52221), (1521, 49955), (1545, 49179), (2535, 29973), (3783, 20085), (4017, 18915), (4365, 17407), (4635, 16393), (6305, 12051), (6695, 11349), (7605, 9991)]