31930191

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 47309184

約数和(自身を除く): 15378993

約数列:

[1, 3, 9, 71, 107, 213, 321, 467, 639, 963, 1401, 4203, 7597, 22791, 33157, 49969, 68373, 99471, 149907, 298413, 449721, 3547799, 10643397, 31930191]

約数ペア:

[(1, 31930191), (3, 10643397), (9, 3547799), (71, 449721), (107, 298413), (213, 149907), (321, 99471), (467, 68373), (639, 49969), (963, 33157), (1401, 22791), (4203, 7597)]