890758863

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{207491}}^1$

素因数の和:207556

約数の個数: 20

約数和(自身を含む): 1355752728

約数和(自身を除く): 464993865

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 207491, 622473, 1867419, 5602257, 10997023, 16806771, 32991069, 98973207, 296919621, 890758863]

約数ペア:

[(1, 890758863), (3, 296919621), (9, 98973207), (27, 32991069), (53, 16806771), (81, 10997023), (159, 5602257), (477, 1867419), (1431, 622473), (4293, 207491)]