209814921

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{106451}}^1$

素因数の和:106533

約数の個数: 16

約数和(自身を含む): 315097920

約数和(自身を除く): 105282999

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 106451, 319353, 958059, 2874177, 7770923, 23312769, 69938307, 209814921]

約数ペア:

[(1, 209814921), (3, 69938307), (9, 23312769), (27, 7770923), (73, 2874177), (219, 958059), (657, 319353), (1971, 106451)]