891081

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 1412320

約数和(自身を除く): 521239

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 193, 243, 513, 579, 1539, 1737, 3667, 4617, 5211, 11001, 15633, 33003, 46899, 99009, 297027, 891081]

約数ペア:

[(1, 891081), (3, 297027), (9, 99009), (19, 46899), (27, 33003), (57, 15633), (81, 11001), (171, 5211), (193, 4617), (243, 3667), (513, 1737), (579, 1539)]