428021253

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{480383}}^1$

素因数の和:480406

約数の個数: 20

約数和(自身を含む): 697517568

約数和(自身を除く): 269496315

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 480383, 1441149, 4323447, 5284213, 12970341, 15852639, 38911023, 47557917, 142673751, 428021253]

約数ペア:

[(1, 428021253), (3, 142673751), (9, 47557917), (11, 38911023), (27, 15852639), (33, 12970341), (81, 5284213), (99, 4323447), (297, 1441149), (891, 480383)]