140147397

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{16871}}^1$

素因数の和:16961

約数の個数: 24

約数和(自身を含む): 221090688

約数和(自身を除く): 80943291

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 16871, 50613, 151839, 219323, 657969, 1197841, 1973907, 3593523, 10780569, 15571933, 46715799, 140147397]

約数ペア:

[(1, 140147397), (3, 46715799), (9, 15571933), (13, 10780569), (39, 3593523), (71, 1973907), (117, 1197841), (213, 657969), (639, 219323), (923, 151839), (2769, 50613), (8307, 16871)]