161815059

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12907}}^1$

素因数の和:13119

約数の個数: 24

約数和(自身を含む): 268486400

約数和(自身を除く): 106671341

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 12907, 38721, 90349, 116163, 271047, 813141, 2568493, 7705479, 17979451, 23116437, 53938353, 161815059]

約数ペア:

[(1, 161815059), (3, 53938353), (7, 23116437), (9, 17979451), (21, 7705479), (63, 2568493), (199, 813141), (597, 271047), (1393, 116163), (1791, 90349), (4179, 38721), (12537, 12907)]