2220891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 3187200

約数和(自身を除く): 966309

約数列:

[1, 3, 19, 47, 57, 141, 829, 893, 2487, 2679, 15751, 38963, 47253, 116889, 740297, 2220891]

約数ペア:

[(1, 2220891), (3, 740297), (19, 116889), (47, 47253), (57, 38963), (141, 15751), (829, 2679), (893, 2487)]