128351385

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1577

約数の個数: 56

約数和(自身を含む): 241124544

約数和(自身を除く): 112773159

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 729, 1035, 1215, 1531, 1863, 3105, 3645, 4593, 5589, 7655, 9315, 13779, 16767, 22965, 27945, 35213, 41337, 68895, 83835, 105639, 124011, 176065, 206685, 316917, 372033, 528195, 620055, 950751, 1116099, 1584585, 1860165, 2852253, 4753755, 5580495, 8556759, 14261265, 25670277, 42783795, 128351385]

約数ペア:

[(1, 128351385), (3, 42783795), (5, 25670277), (9, 14261265), (15, 8556759), (23, 5580495), (27, 4753755), (45, 2852253), (69, 1860165), (81, 1584585), (115, 1116099), (135, 950751), (207, 620055), (243, 528195), (345, 372033), (405, 316917), (621, 206685), (729, 176065), (1035, 124011), (1215, 105639), (1531, 83835), (1863, 68895), (3105, 41337), (3645, 35213), (4593, 27945), (5589, 22965), (7655, 16767), (9315, 13779)]