239343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 24

約数和(自身を含む): 384048

約数和(自身を除く): 144705

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 361, 663, 741, 969, 1083, 4199, 4693, 6137, 12597, 14079, 18411, 79781, 239343]

約数ペア:

[(1, 239343), (3, 79781), (13, 18411), (17, 14079), (19, 12597), (39, 6137), (51, 4693), (57, 4199), (221, 1083), (247, 969), (323, 741), (361, 663)]