858505221

素因数分解:

$3^2\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{7057}}^1$

素因数の和:9001

約数の個数: 24

約数和(自身を含む): 1418149824

約数和(自身を除く): 559644603

約数列:

[1, 3, 7, 9, 21, 63, 1931, 5793, 7057, 13517, 17379, 21171, 40551, 49399, 63513, 121653, 148197, 444591, 13627067, 40881201, 95389469, 122643603, 286168407, 858505221]

約数ペア:

[(1, 858505221), (3, 286168407), (7, 122643603), (9, 95389469), (21, 40881201), (63, 13627067), (1931, 444591), (5793, 148197), (7057, 121653), (13517, 63513), (17379, 49399), (21171, 40551)]