257530311

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{7477}}^1$

素因数の和:7615

約数の個数: 24

約数和(自身を含む): 384967440

約数和(自身を除く): 127437129

約数列:

[1, 3, 9, 43, 89, 129, 267, 387, 801, 3827, 7477, 11481, 22431, 34443, 67293, 321511, 665453, 964533, 1996359, 2893599, 5989077, 28614479, 85843437, 257530311]

約数ペア:

[(1, 257530311), (3, 85843437), (9, 28614479), (43, 5989077), (89, 2893599), (129, 1996359), (267, 964533), (387, 665453), (801, 321511), (3827, 67293), (7477, 34443), (11481, 22431)]