538317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 864864

約数和(自身を除く): 326547

約数列:

[1, 3, 9, 13, 39, 43, 107, 117, 129, 321, 387, 559, 963, 1391, 1677, 4173, 4601, 5031, 12519, 13803, 41409, 59813, 179439, 538317]

約数ペア:

[(1, 538317), (3, 179439), (9, 59813), (13, 41409), (39, 13803), (43, 12519), (107, 5031), (117, 4601), (129, 4173), (321, 1677), (387, 1391), (559, 963)]