203488281

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{3907}}^1$

素因数の和:4562

約数の個数: 20

約数和(自身を含む): 304526992

約数和(自身を除く): 101038711

約数列:

[1, 3, 9, 27, 81, 643, 1929, 3907, 5787, 11721, 17361, 35163, 52083, 105489, 316467, 2512201, 7536603, 22609809, 67829427, 203488281]

約数ペア:

[(1, 203488281), (3, 67829427), (9, 22609809), (27, 7536603), (81, 2512201), (643, 316467), (1929, 105489), (3907, 52083), (5787, 35163), (11721, 17361)]