205016913

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{13831}}^1$

素因数の和:13907

約数の個数: 24

約数和(自身を含む): 312160576

約数和(自身を除く): 107143663

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1647, 4941, 13831, 14823, 41493, 124479, 373437, 843691, 1120311, 2531073, 3360933, 7593219, 22779657, 68338971, 205016913]

約数ペア:

[(1, 205016913), (3, 68338971), (9, 22779657), (27, 7593219), (61, 3360933), (81, 2531073), (183, 1120311), (243, 843691), (549, 373437), (1647, 124479), (4941, 41493), (13831, 14823)]