79871589

素因数分解:

$3^4\times 7^1\times {\mathrm{140867}}^1$

素因数の和:140886

約数の個数: 20

約数和(自身を含む): 136360224

約数和(自身を除く): 56488635

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 140867, 422601, 986069, 1267803, 2958207, 3803409, 8874621, 11410227, 26623863, 79871589]

約数ペア:

[(1, 79871589), (3, 26623863), (7, 11410227), (9, 8874621), (21, 3803409), (27, 2958207), (63, 1267803), (81, 986069), (189, 422601), (567, 140867)]