20290131

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 30129840

約数和(自身を除く): 9839709

約数列:

[1, 3, 9, 73, 89, 219, 267, 347, 657, 801, 1041, 3123, 6497, 19491, 25331, 30883, 58473, 75993, 92649, 227979, 277947, 2254459, 6763377, 20290131]

約数ペア:

[(1, 20290131), (3, 6763377), (9, 2254459), (73, 277947), (89, 227979), (219, 92649), (267, 75993), (347, 58473), (657, 30883), (801, 25331), (1041, 19491), (3123, 6497)]