13453881

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4817}}^1$

素因数の和:4853

約数の個数: 24

約数和(自身を含む): 21970080

約数和(自身を除く): 8516199

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4817, 14451, 33719, 91523, 101157, 236033, 274569, 640661, 708099, 1921983, 4484627, 13453881]

約数ペア:

[(1, 13453881), (3, 4484627), (7, 1921983), (19, 708099), (21, 640661), (49, 274569), (57, 236033), (133, 101157), (147, 91523), (399, 33719), (931, 14451), (2793, 4817)]