257949939

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{2027}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 374092992

約数和(自身を除く): 116143053

約数列:

[1, 3, 13, 39, 169, 251, 507, 753, 2027, 3263, 6081, 9789, 26351, 42419, 79053, 127257, 342563, 508777, 1027689, 1526331, 6614101, 19842303, 85983313, 257949939]

約数ペア:

[(1, 257949939), (3, 85983313), (13, 19842303), (39, 6614101), (169, 1526331), (251, 1027689), (507, 508777), (753, 342563), (2027, 127257), (3263, 79053), (6081, 42419), (9789, 26351)]