201789981

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{17837}}^1$

素因数の和:18265

約数の個数: 16

約数和(自身を含む): 299678400

約数和(自身を除く): 97888419

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 17837, 53511, 160533, 481599, 7473703, 22421109, 67263327, 201789981]

約数ペア:

[(1, 201789981), (3, 67263327), (9, 22421109), (27, 7473703), (419, 481599), (1257, 160533), (3771, 53511), (11313, 17837)]