890370243

素因数分解:

$3^2\times 7^1\times {\mathrm{701}}^1\times {\mathrm{20161}}^1$

素因数の和:20875

約数の個数: 24

約数和(自身を含む): 1471987296

約数和(自身を除く): 581617053

約数列:

[1, 3, 7, 9, 21, 63, 701, 2103, 4907, 6309, 14721, 20161, 44163, 60483, 141127, 181449, 423381, 1270143, 14132861, 42398583, 98930027, 127195749, 296790081, 890370243]

約数ペア:

[(1, 890370243), (3, 296790081), (7, 127195749), (9, 98930027), (21, 42398583), (63, 14132861), (701, 1270143), (2103, 423381), (4907, 181449), (6309, 141127), (14721, 60483), (20161, 44163)]