206865009

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{196453}}^1$

素因数の和:196478

約数の個数: 20

約数和(自身を含む): 332793076

約数和(自身を除く): 125928067

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 196453, 589359, 1768077, 2553889, 5304231, 7661667, 15912693, 22985001, 68955003, 206865009]

約数ペア:

[(1, 206865009), (3, 68955003), (9, 22985001), (13, 15912693), (27, 7661667), (39, 5304231), (81, 2553889), (117, 1768077), (351, 589359), (1053, 196453)]