80772909

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 125798400

約数和(自身を除く): 45025491

約数列:

[1, 3, 7, 21, 103, 107, 309, 321, 349, 721, 749, 1047, 2163, 2247, 2443, 7329, 11021, 33063, 35947, 37343, 77147, 107841, 112029, 231441, 251629, 261401, 754887, 784203, 3846329, 11538987, 26924303, 80772909]

約数ペア:

[(1, 80772909), (3, 26924303), (7, 11538987), (21, 3846329), (103, 784203), (107, 754887), (309, 261401), (321, 251629), (349, 231441), (721, 112029), (749, 107841), (1047, 77147), (2163, 37343), (2247, 35947), (2443, 33063), (7329, 11021)]