68778045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1091

約数の個数: 64

約数和(自身を含む): 141795840

約数和(自身を除く): 73017795

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 73, 105, 135, 189, 219, 315, 365, 511, 657, 945, 997, 1095, 1533, 1971, 2555, 2991, 3285, 4599, 4985, 6979, 7665, 8973, 9855, 13797, 14955, 20937, 22995, 26919, 34895, 44865, 62811, 68985, 72781, 104685, 134595, 188433, 218343, 314055, 363905, 509467, 655029, 942165, 1091715, 1528401, 1965087, 2547335, 3275145, 4585203, 7642005, 9825435, 13755609, 22926015, 68778045]

約数ペア:

[(1, 68778045), (3, 22926015), (5, 13755609), (7, 9825435), (9, 7642005), (15, 4585203), (21, 3275145), (27, 2547335), (35, 1965087), (45, 1528401), (63, 1091715), (73, 942165), (105, 655029), (135, 509467), (189, 363905), (219, 314055), (315, 218343), (365, 188433), (511, 134595), (657, 104685), (945, 72781), (997, 68985), (1095, 62811), (1533, 44865), (1971, 34895), (2555, 26919), (2991, 22995), (3285, 20937), (4599, 14955), (4985, 13797), (6979, 9855), (7665, 8973)]