217191491

素因数分解:

${\mathrm{11}}^2\times {\mathrm{1031}}^1\times {\mathrm{1741}}^1$

素因数の和:2794

約数の個数: 12

約数和(自身を含む): 239099952

約数和(自身を除く): 21908461

約数列:

[1, 11, 121, 1031, 1741, 11341, 19151, 124751, 210661, 1794971, 19744681, 217191491]

約数ペア:

[(1, 217191491), (11, 19744681), (121, 1794971), (1031, 210661), (1741, 124751), (11341, 19151)]