127890495

素因数分解:

$3^4\times 5^1\times {\mathrm{315779}}^1$

素因数の和:315796

約数の個数: 20

約数和(自身を含む): 229256280

約数和(自身を除く): 101365785

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 315779, 947337, 1578895, 2842011, 4736685, 8526033, 14210055, 25578099, 42630165, 127890495]

約数ペア:

[(1, 127890495), (3, 42630165), (5, 25578099), (9, 14210055), (15, 8526033), (27, 4736685), (45, 2842011), (81, 1578895), (135, 947337), (405, 315779)]