237861

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 393120

約数和(自身を除く): 155259

約数列:

[1, 3, 9, 13, 19, 39, 57, 107, 117, 171, 247, 321, 741, 963, 1391, 2033, 2223, 4173, 6099, 12519, 18297, 26429, 79287, 237861]

約数ペア:

[(1, 237861), (3, 79287), (9, 26429), (13, 18297), (19, 12519), (39, 6099), (57, 4173), (107, 2223), (117, 2033), (171, 1391), (247, 963), (321, 741)]