161931

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 269568

約数和(自身を除く): 107637

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 701, 2103, 4907, 7711, 14721, 23133, 53977, 161931]

約数ペア:

[(1, 161931), (3, 53977), (7, 23133), (11, 14721), (21, 7711), (33, 4907), (77, 2103), (231, 701)]