1987269

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 2806272

約数和(自身を除く): 819003

約数列:

[1, 3, 23, 69, 83, 249, 347, 1041, 1909, 5727, 7981, 23943, 28801, 86403, 662423, 1987269]

約数ペア:

[(1, 1987269), (3, 662423), (23, 86403), (69, 28801), (83, 23943), (249, 7981), (347, 5727), (1041, 1909)]