2161047

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 3420912

約数和(自身を除く): 1259865

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 241, 427, 723, 1281, 1687, 2989, 5061, 8967, 11809, 14701, 35427, 44103, 102907, 308721, 720349, 2161047]

約数ペア:

[(1, 2161047), (3, 720349), (7, 308721), (21, 102907), (49, 44103), (61, 35427), (147, 14701), (183, 11809), (241, 8967), (427, 5061), (723, 2989), (1281, 1687)]