181065213

素因数分解:

$3^4\times 7^1\times {\mathrm{319339}}^1$

素因数の和:319358

約数の個数: 20

約数和(自身を含む): 309121120

約数和(自身を除く): 128055907

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 319339, 958017, 2235373, 2874051, 6706119, 8622153, 20118357, 25866459, 60355071, 181065213]

約数ペア:

[(1, 181065213), (3, 60355071), (7, 25866459), (9, 20118357), (21, 8622153), (27, 6706119), (63, 2874051), (81, 2235373), (189, 958017), (567, 319339)]