212554665

素因数分解:

$3^3\times 5^1\times {\mathrm{1574479}}^1$

素因数の和:1574493

約数の個数: 16

約数和(自身を含む): 377875200

約数和(自身を除く): 165320535

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1574479, 4723437, 7872395, 14170311, 23617185, 42510933, 70851555, 212554665]

約数ペア:

[(1, 212554665), (3, 70851555), (5, 42510933), (9, 23617185), (15, 14170311), (27, 7872395), (45, 4723437), (135, 1574479)]