289301427

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{111227}}^1$

素因数の和:111267

約数の個数: 18

約数和(自身を含む): 443910948

約数和(自身を除く): 154609521

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 111227, 333681, 1001043, 1890859, 5672577, 17017731, 32144603, 96433809, 289301427]

約数ペア:

[(1, 289301427), (3, 96433809), (9, 32144603), (17, 17017731), (51, 5672577), (153, 1890859), (289, 1001043), (867, 333681), (2601, 111227)]