275809455

素因数分解:

$3^4\times 5^1\times {\mathrm{681011}}^1$

素因数の和:681028

約数の個数: 20

約数和(自身を含む): 494414712

約数和(自身を除く): 218605257

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 681011, 2043033, 3405055, 6129099, 10215165, 18387297, 30645495, 55161891, 91936485, 275809455]

約数ペア:

[(1, 275809455), (3, 91936485), (5, 55161891), (9, 30645495), (15, 18387297), (27, 10215165), (45, 6129099), (81, 3405055), (135, 2043033), (405, 681011)]