251010387

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{489299}}^1$

素因数の和:489327

約数の個数: 16

約数和(自身を含む): 391440000

約数和(自身を除く): 140429613

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 489299, 1467897, 4403691, 9296681, 13211073, 27890043, 83670129, 251010387]

約数ペア:

[(1, 251010387), (3, 83670129), (9, 27890043), (19, 13211073), (27, 9296681), (57, 4403691), (171, 1467897), (513, 489299)]