30806657

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 37892736

約数和(自身を除く): 7086079

約数列:

[1, 7, 19, 73, 133, 167, 361, 511, 1169, 1387, 2527, 3173, 9709, 12191, 22211, 26353, 60287, 85337, 184471, 231629, 422009, 1621403, 4400951, 30806657]

約数ペア:

[(1, 30806657), (7, 4400951), (19, 1621403), (73, 422009), (133, 231629), (167, 184471), (361, 85337), (511, 60287), (1169, 26353), (1387, 22211), (2527, 12191), (3173, 9709)]