998409891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{27241}}^1$

素因数の和:27906

約数の個数: 16

約数和(自身を含む): 1403507840

約数和(自身を除く): 405097949

約数列:

[1, 3, 19, 57, 643, 1929, 12217, 27241, 36651, 81723, 517579, 1552737, 17515963, 52547889, 332803297, 998409891]

約数ペア:

[(1, 998409891), (3, 332803297), (19, 52547889), (57, 17515963), (643, 1552737), (1929, 517579), (12217, 81723), (27241, 36651)]