10989999

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 17840240

約数和(自身を除く): 6850241

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 193, 333, 513, 579, 703, 999, 1539, 1737, 2109, 2997, 3667, 5211, 6327, 7141, 11001, 15633, 18981, 21423, 33003, 56943, 64269, 99009, 135679, 192807, 297027, 407037, 578421, 1221111, 3663333, 10989999]

約数ペア:

[(1, 10989999), (3, 3663333), (9, 1221111), (19, 578421), (27, 407037), (37, 297027), (57, 192807), (81, 135679), (111, 99009), (171, 64269), (193, 56943), (333, 33003), (513, 21423), (579, 18981), (703, 15633), (999, 11001), (1539, 7141), (1737, 6327), (2109, 5211), (2997, 3667)]