9999909

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 15830400

約数和(自身を除く): 5830491

約数列:

[1, 3, 9, 19, 27, 57, 101, 171, 193, 303, 513, 579, 909, 1737, 1919, 2727, 3667, 5211, 5757, 11001, 17271, 19493, 33003, 51813, 58479, 99009, 175437, 370367, 526311, 1111101, 3333303, 9999909]

約数ペア:

[(1, 9999909), (3, 3333303), (9, 1111101), (19, 526311), (27, 370367), (57, 175437), (101, 99009), (171, 58479), (193, 51813), (303, 33003), (513, 19493), (579, 17271), (909, 11001), (1737, 5757), (1919, 5211), (2727, 3667)]