2011554891

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{130021}}^1$

素因数の和:130224

約数の個数: 20

約数和(自身を含む): 3020671104

約数和(自身を除く): 1009116213

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 15471, 130021, 390063, 1170189, 3510567, 10531701, 24834011, 74502033, 223506099, 670518297, 2011554891]

約数ペア:

[(1, 2011554891), (3, 670518297), (9, 223506099), (27, 74502033), (81, 24834011), (191, 10531701), (573, 3510567), (1719, 1170189), (5157, 390063), (15471, 130021)]