189988659

素因数分解:

$3^4\times 7^1\times {\mathrm{335077}}^1$

素因数の和:335096

約数の個数: 20

約数和(自身を含む): 324355504

約数和(自身を除く): 134366845

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 335077, 1005231, 2345539, 3015693, 7036617, 9047079, 21109851, 27141237, 63329553, 189988659]

約数ペア:

[(1, 189988659), (3, 63329553), (7, 27141237), (9, 21109851), (21, 9047079), (27, 7036617), (63, 3015693), (81, 2345539), (189, 1005231), (567, 335077)]