289773207

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{67499}}^1$

素因数の和:67564

約数の個数: 20

約数和(自身を含む): 441045000

約数和(自身を除く): 151271793

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 67499, 202497, 607491, 1822473, 3577447, 5467419, 10732341, 32197023, 96591069, 289773207]

約数ペア:

[(1, 289773207), (3, 96591069), (9, 32197023), (27, 10732341), (53, 5467419), (81, 3577447), (159, 1822473), (477, 607491), (1431, 202497), (4293, 67499)]