215465913

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{68207}}^1$

素因数の和:68235

約数の個数: 24

約数和(自身を含む): 347587968

約数和(自身を除く): 132122055

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 68207, 204621, 613863, 886691, 1841589, 2660073, 5524767, 7980219, 16574301, 23940657, 71821971, 215465913]

約数ペア:

[(1, 215465913), (3, 71821971), (9, 23940657), (13, 16574301), (27, 7980219), (39, 5524767), (81, 2660073), (117, 1841589), (243, 886691), (351, 613863), (1053, 204621), (3159, 68207)]