289770027

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{20477}}^1$

素因数の和:20622

約数の個数: 16

約数和(自身を含む): 398092320

約数和(自身を除く): 108322293

約数列:

[1, 3, 53, 89, 159, 267, 4717, 14151, 20477, 61431, 1085281, 1822453, 3255843, 5467359, 96590009, 289770027]

約数ペア:

[(1, 289770027), (3, 96590009), (53, 5467359), (89, 3255843), (159, 1822453), (267, 1085281), (4717, 61431), (14151, 20477)]