128049255

素因数分解:

$3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{751}}^1$

素因数の和:1189

約数の個数: 40

約数和(自身を含む): 230391744

約数和(自身を除く): 102342489

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 421, 751, 1263, 2105, 2253, 3755, 3789, 6315, 6759, 11265, 11367, 18945, 20277, 33795, 34101, 56835, 60831, 101385, 170505, 304155, 316171, 948513, 1580855, 2845539, 4742565, 8536617, 14227695, 25609851, 42683085, 128049255]

約数ペア:

[(1, 128049255), (3, 42683085), (5, 25609851), (9, 14227695), (15, 8536617), (27, 4742565), (45, 2845539), (81, 1580855), (135, 948513), (405, 316171), (421, 304155), (751, 170505), (1263, 101385), (2105, 60831), (2253, 56835), (3755, 34101), (3789, 33795), (6315, 20277), (6759, 18945), (11265, 11367)]