131235615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{416621}}^1$

素因数の和:416639

約数の個数: 24

約数和(自身を含む): 259972128

約数和(自身を除く): 128736513

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 416621, 1249863, 2083105, 2916347, 3749589, 6249315, 8749041, 14581735, 18747945, 26247123, 43745205, 131235615]

約数ペア:

[(1, 131235615), (3, 43745205), (5, 26247123), (7, 18747945), (9, 14581735), (15, 8749041), (21, 6249315), (35, 3749589), (45, 2916347), (63, 2083105), (105, 1249863), (315, 416621)]