27710055

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 51420096

約数和(自身を除く): 23710041

約数列:

[1, 3, 5, 9, 15, 23, 41, 45, 69, 115, 123, 205, 207, 345, 369, 615, 653, 943, 1035, 1845, 1959, 2829, 3265, 4715, 5877, 8487, 9795, 14145, 15019, 26773, 29385, 42435, 45057, 75095, 80319, 133865, 135171, 225285, 240957, 401595, 615779, 675855, 1204785, 1847337, 3078895, 5542011, 9236685, 27710055]

約数ペア:

[(1, 27710055), (3, 9236685), (5, 5542011), (9, 3078895), (15, 1847337), (23, 1204785), (41, 675855), (45, 615779), (69, 401595), (115, 240957), (123, 225285), (205, 135171), (207, 133865), (345, 80319), (369, 75095), (615, 45057), (653, 42435), (943, 29385), (1035, 26773), (1845, 15019), (1959, 14145), (2829, 9795), (3265, 8487), (4715, 5877)]