39884985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{997}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 79712256

約数和(自身を除く): 39827271

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 315, 381, 635, 889, 997, 1143, 1905, 2667, 2991, 4445, 4985, 5715, 6979, 8001, 8973, 13335, 14955, 20937, 34895, 40005, 44865, 62811, 104685, 126619, 314055, 379857, 633095, 886333, 1139571, 1899285, 2658999, 4431665, 5697855, 7976997, 13294995, 39884985]

約数ペア:

[(1, 39884985), (3, 13294995), (5, 7976997), (7, 5697855), (9, 4431665), (15, 2658999), (21, 1899285), (35, 1139571), (45, 886333), (63, 633095), (105, 379857), (127, 314055), (315, 126619), (381, 104685), (635, 62811), (889, 44865), (997, 40005), (1143, 34895), (1905, 20937), (2667, 14955), (2991, 13335), (4445, 8973), (4985, 8001), (5715, 6979)]