81734589

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59357}}^1$

素因数の和:59386

約数の個数: 20

約数和(自身を含む): 129281724

約数和(自身を除く): 47547135

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 59357, 178071, 534213, 1009069, 1602639, 3027207, 4807917, 9081621, 27244863, 81734589]

約数ペア:

[(1, 81734589), (3, 27244863), (9, 9081621), (17, 4807917), (27, 3027207), (51, 1602639), (81, 1009069), (153, 534213), (459, 178071), (1377, 59357)]