53008347

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19015

約数の個数: 24

約数和(自身を含む): 86548800

約数和(自身を除く): 33540453

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 18979, 56937, 132853, 360601, 398559, 929971, 1081803, 2524207, 2789913, 7572621, 17669449, 53008347]

約数ペア:

[(1, 53008347), (3, 17669449), (7, 7572621), (19, 2789913), (21, 2524207), (49, 1081803), (57, 929971), (133, 398559), (147, 360601), (399, 132853), (931, 56937), (2793, 18979)]