489848139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{260419}}^1$

素因数の和:260455

約数の個数: 24

約数和(自身を含む): 812510400

約数和(自身を除く): 322662261

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 260419, 781257, 2343771, 2864609, 4947961, 8593827, 14843883, 25781481, 44531649, 54427571, 163282713, 489848139]

約数ペア:

[(1, 489848139), (3, 163282713), (9, 54427571), (11, 44531649), (19, 25781481), (33, 14843883), (57, 8593827), (99, 4947961), (171, 2864609), (209, 2343771), (627, 781257), (1881, 260419)]