191999727

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{17053}}^1$

素因数の和:17204

約数の個数: 20

約数和(自身を含む): 288894760

約数和(自身を除く): 96895033

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 17053, 51159, 153477, 460431, 1381293, 2370367, 7111101, 21333303, 63999909, 191999727]

約数ペア:

[(1, 191999727), (3, 63999909), (9, 21333303), (27, 7111101), (81, 2370367), (139, 1381293), (417, 460431), (1251, 153477), (3753, 51159), (11259, 17053)]