18901377

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2767}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 31887360

約数和(自身を除く): 12985983

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 2767, 6831, 8301, 24903, 30437, 63641, 74709, 91311, 190923, 273933, 572769, 700051, 821799, 1718307, 2100153, 6300459, 18901377]

約数ペア:

[(1, 18901377), (3, 6300459), (9, 2100153), (11, 1718307), (23, 821799), (27, 700051), (33, 572769), (69, 273933), (99, 190923), (207, 91311), (253, 74709), (297, 63641), (621, 30437), (759, 24903), (2277, 8301), (2767, 6831)]